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Aplusclick Grade 9 Questions
Which gives the largest answer?
Which gives the largest answer?
Which gives the smallest answer?
What is 111% of a number, if 132 is 11% of that number?
How many 2-digit integers are there in which the sum of the digits is equal to . . .
If 120 is divided into three parts proportional to 7, 8 and 9, then the largest . . .
Evaluate: 100000001
2
– 99999999
2
How many digits are in the product of 2
101
and 5
99
?
If you write all of the whole numbers from 1 through 1000, how many numbers . . .
How much is 0 - 1 + 10 - 100 + 1000 - . . . -10
10
+10
11
What is the difference between the sum of the first 2012 even positive numbers . . .
A man is eating a pizza. During the first day he eats a half of the pizza. . . .
An abundant number is a positive integer whose factors (other than the number . . .
When freezing, milk increases its volume by 1/15. How will the frozen milk . . .
Work out the sum of all the integers below 100.
A number is said to be perfect if it is equal to the sum of its proper . . .
A prime number is an integer number that has no positive divisors other than 1 . . .
If 168 is divided into three parts proportional to 7, 8 and 9, then the . . .
The North American emergency telephone number is 911. It is a prime number. . . .
Sebastian achieved these scores in his exams. Which was his worst result?
Multiply all the digits of each license plate without using a calculator. . . .
On this target, I scored exactly 90. How many shots did I fire?
How many 2-digit integers are there in which the sum of the digits is equal to . . .
How many positive integer numbers are twice the sum of their digits?
What is the smallest possible difference between two integer numbers that, when . . .
How many of the three-digit integers are multiples of the first five positive . . .
Fill in each empty place between the numbers with one of the symbols +, -, x or . . .
Find the sum of the first 100 odd positive numbers: 1 + 3 + . . .
Find the average of all positive integers divisible by 3 and smaller than 1000.
Write natural numbers 1, 2, . . .100 in a row so that the difference between . . .
In a class, 7 students walk to school, two fifths ride the bus, and 32% are . . .
In a class, 7 students walk to school, two fifths ride the bus, and 32% are . . .
How many digits are there in the largest positive integer, in which each digit . . .
What is the smallest result that can be achieved? AB6 + BC7 Different . . .
If the sum of 999 positive integers is equal to 1000 what is their product?
What gives the largest result?
Which number could not be written as a sum of 3 consecutive numbers?
Find the first of the four consecutive integer numbers if their sum is -66.
January 1st, 2014 was a Wednesday. How many Wednesdays occurred in 2014? . . .
Divide 55 into two parts so that one will be 150 percent of the other. What . . .
The product of 33 positive integers is 33. What is the sum of the numbers?
Estimate the product of the digits of the number 7777777.
Find the midpoint between the points one fifth and fifteen.
100 is to 121 as 10 to . . .
Use four 9's and any math signs to make 100. How many sign '+' did you use?
The maximum capacity of the Wembley Stadium, London, England, is 90,000. The . . .
The ratio of two numbers is 3 : 5. The difference between the numbers is 8. . . .
Gerry writes the first 5 integers. He puts either sign "+" or "x" between the . . .
When N copies of the integer N are multiplied together, the product is 256. . . .
If
m + n + 1 x 2 x 3 = n +123
, then what is
m
?
Solve the following for y: 12y – 4
2
= 2(2y +4)
Simplify the following expression: 100
1
x 50
2
x . . .
Solve the equation
Simplify the following expression: (0.002)
3
Which is the best representation of the function
y = 1x + 2
?
Which is the best representation of the function y = x
2
– 1 ?
Identify the graph that best represents the relationship between the number of . . .
Which two sides of the polygon ABCDE have the same slope?
Find all the points whose X-coordinates are one-third their Y-coordinates.
How many different real numbers satisfy this equation?
Find the sum of the digits of 10
11
– 1
How many times larger than 10
5
is 5
10
? Find the best . . .
Which point on the number line represents a number that has a square root . . .
Find the expression that is TRUE.
Find the expression that is TRUE. Remember, there may be more than one . . .
Find the expression that is INCORRECT.
Find b.
The number in each square is obtained by adding the numbers connected to it . . .
The girl is 10% taller than the boy. In ten years, he will be 50% taller than . . .
Which of the following gives the smallest value?
90% of 90 girls and 80% of 110 boys have shown up in the concert hall on time. . . .
In Morse code, each symbol is either a dot or a dash. What is the best . . .
F = (x-a)(x-b)(x-c) . . . (x-x)(x-y)(x-z) Find F.
92% of 900 employees of a company arrive at the workplace on time on Friday. . . .
Simplify the following expression 5a
4
x 4a
3
. . .
How is (1 x 10
5
) + (2 x 10
4
) + (3 x 10
3
) + . . .
Which is the best representation of the function y
2
= x + 1 ?
Which point on the number line represents a number that has a square root . . .
Solve the inequality: 33 + 44y is smaller than 55
Find the sum of all the elements of this finite geometric sequence: 1, 2, 4, . . .
How many 2-digit numbers have a tens digit that is greater than the units digit?
Two candles are of the same height. One burns in three hours, while the other . . .
In Morse code, each symbol is either a dot or a dash. The Morse code was . . .
You can purchase or rent a car. The car is available at a rental fee of $250 . . .
Choose the answer without using a calculator. I multiply together the . . .
Find n.
A report said that for every 100 babies born in a county, there were 12 more . . .
A grocer divides 171kg of potatoes into 5kg and 2kg bags. If the grocer . . .
Which number between 40 and 50 can be expressed both as the sum of two . . .
Jim paints 1/6 in an hour and John paints 1/4 in an hour. How much time will . . .
A theater sells 150 tickets for a total of $2010. Children's tickets are sold . . .
One number is 200% greater than the other and their difference is 20. What is . . .
1000
-1
+ 1000
0
+ 1000
1
=
A driver's odometer reads 0515 km and the clock reads 05:15 before leaving on a . . .
There is an equal number of boys and girls. Share $10 among them so that each . . .
A tennis ball keeps on bouncing back to half of the height from which it is . . .
In a summer camp, the ratio of people was 11 : 12 : 15 for instructors, boys, . . .
The balance is in equilibrium. Find W.
What is the slope of a line that passes through the points (8, 3) and (8, -4) ?
If the sum of two numbers is 66 and their difference is 6, what is the product . . .
If 5 is added to one-third of a number, the result is double that number. . . .
My favorite number plus 99 is 9 times less than 999. What is 9 less than my . . .
If 300 people occupy 5/7 of the seats in a concert hall, how many people would . . .
Brad has as many sisters as brothers. His sister Sue has twice as many . . .
The King of a far away land needs to adjust the temperature of the shower all . . .
Positive integers a, b, c, and d are such that a + b + c + d = 20 Find . . .
A bottle that fully contains juice weighs 1000 grams. The bottle with half of . . .
Gerry has some candy and Jane has some candy. Gerry gives Jane one of his . . .
It usually takes a man several hours to walk from a railway station to his . . .
A hall is cube-shaped. The volume of the hall is 216 cubic meters. The door . . .
Which shape could NOT be a cross section of a cone?
What is the shortest path?
The aquarium was full of water. A girl has tipped it on its side, so five . . .
Which fraction of this triangle is shaded?
One face of a rectangular box has an area of 15 square cm. Another face is 20 . . .
Find the length of the side of a cube whose volume is numerically the same as . . .
This large cube is made from smaller wooden cubes. All of the faces of the . . .
A rectangular floor measures 3 meters by 9 meters. It is tiled with . . .
A sports club is replacing its water supply lines for a swimming pool. The . . .
John is building a flight of stairs. Each stair is the same size. What is . . .
Three corners of a square are A(1,4), B(4,6), and C(6,3). Where is the fourth . . .
How many red circles can be placed inside the blue circle without intersecting?
Members of the Green Tennis Club are creating a logo. The logo of the club is . . .
Mr. Clever gave his students this pattern of gray tiles. Develop an equation . . .
Which side of this shape is 5 units long?
A wheel with a red mark on it is rolled along a straight line. What is the . . .
The squares have side lengths of 2 and 4. Find the area of the colored . . .
The figure consists of congruent squares. The perimeter of the figure is 10 . . .
The figure shows a regular octagon. What is the area of the colored part as . . .
I want to build a fence around a rectangular garden. The garden has an area . . .
How many planes of symmetry does an Egyptian pyramid have?
Find the line that splits the area of the ten squares into two equal parts. . . .
The bigger star is similar to the smaller one. It is twice the height of the . . .
How many circles can be placed inside the square without intersecting each . . .
The area of the smallest square is 124 square meters. What is the area of . . .
Cut 1 cube into 8 pieces. One of the pieces is a cube whose volume is three . . .
Find two pairs of shapes that are exactly the same distance apart, where the . . .
You are at point A. You can only walk to the north or east. For example, . . .
For which capital letter of the English alphabet would you use the greatest . . .
The arrow top is at the midpoint of the edge of the rectangle. What fraction . . .
Each diagonal of a cube is increased by 50%. What was the percentage increase . . .
A and B are midpoints of the corresponding sides of the rectangle. What . . .
Every face of a cube has at least one white edge. What is the smallest . . .
A circle is inscribed in trapezoid. What is the minimum possible perimeter of . . .
The circumference of each circle is 24 meters. What is the perimeter of the . . .
John cuts a large piece of cheese into small pieces using straight cuts from a . . .
All triangles are inscribed in circles with a diameter of 1 meter. Find the . . .
What is the sum of the marked angles?
Four touching circles have the same radiuses. Their centers are the corners . . .
Two polygons are congruent if their corresponding sides are equal in length and . . .
Which of the following could be the graph showing the area Y of a square with . . .
Fifteen billiard balls perfectly fit into a triangular rack. What is the . . .
I want to cut round bread into eight equal pieces. What is the smallest . . .
The diagram shows my square pond with a tree in each corner. How much can I . . .
How many colored four-unit shapes can be placed inside the 6x6 square without . . .
A solid is a cube with three tunnels drilled through it, as you can see in the . . .
Four matchsticks form a square. How many non-overlapping squares can be . . .
Ten acrobats are evenly spaced at a circus circular arena. Which acrobat is . . .
It costs $24 to paint a cube. Before painting, it was cut into eight cubes. . . .
Six shapes can be fitted together with no gaps and no overlaps to form a . . .
I want to cut this shape into four pieces all of precisely the same size and . . .
What is the greatest number of possible points of intersection of three . . .
A rectangle floor 12 x 16 is covered by square tiles of sides 40 cm. A chalk . . .
The picture shows a regular pentagon and an equilateral triangle. How large . . .
The colored figure in the picture consists of identical isosceles right . . .
How many inner right angles are possible in a hexagon?
A guard walks completely around the walls of a rectangular castle with a . . .
In a triangle, the sum of two of the angles is equal to the third, and the . . .
If the coordinates of one end point of a line segment are (1 , 2 , -3) and the . . .
What is the probability that a point chosen randomly from the interior of a . . .
Eight poles are evenly spaced on the circumference of a big circle. What is . . .
A quadrilateral with one pair of parallel sides is referred to as a trapezoid. . . .
Find the sum of the five marked angles of a star that is inscribed into a . . .
Find the angle between two diagonals drawn on two faces of the cube.
Which red piece can be put with the blue one to form a rectangle?
What is the area of the square?
An analog wristwatch says that the time is 14:20. The minute hand moves 300 . . .
I assemble rectangles from colored squares. All the squares on the edges are . . .
Identify two shapes with the same perimeter.
What is the perimeter of the triangle?
If each edge length of this shape is tripled, what will happen to its volume?
A curtain covers a window as shown on the right. We approximate the area of . . .
Which angle is largest?
Which shape is closer to the point (0,0) ?
How many right angles are possible in a polygon with six sides (hexagon)?
Which triangle has angles that appear to measure 42°, 48° and 90°?
Which figure can be rotated 72° about its center and have its final . . .
Find the shape that has more than 5 sides and no right angles ( 90°).
In the diagram, the radii of the two concentric circles are 4.5 and 10, . . .
If two sides of the triangle have lengths of 22 and 33, which of the following . . .
Which shape has the largest white region in terms of area?
If G is the total area of the green regular octagon and R is the total area of . . .
Find the area of the triangle ABC
Calculate the area of the shape in small squares.
Estimate the size of the square if the circle diameter is 25 inches.
The area of the smallest square is 12 square inches. What is the area of the . . .
Which is the plan view of the 3-D shape?
Which two lines are perpendicular?
What is the volume of the figure, if X = 4?
In a triangle, the sum of two of the angles is equal to the third. The lengths . . .
The blocks of ice are of the same height. Which assembly melts slowest?
A telephone company places round cables in round ducts. What position of the cables is the . . .
What is the area of a square with a diagonal of length 10 units?
Eugenia discovered round ink spots on her music paper. Which music paper has . . .
Anna takes a rope that is 24 ft long and creates a square. Bob takes the rope . . .
Which shape cannot be formed by the intersection of two squares?
Which is the odd one out?
Cut the shape into two pieces and create a square from them. How many small . . .
What is the absolute difference between the largest and smallest possible areas . . .
Three equilateral triangles form seven unique regions. What is the maximum . . .
I increase the cube so that the diagonal AB doubles its original size. How . . .
All three pathways consist of semi-circles. Which pathway from A to B is the . . .
I have a cube with a volume of 1000 cm
3
. I make the length 20% . . .
Find the maximum area of a rectangle that has a perimeter of 36 m.
If we add all these vectors and place the start of the resulting vector at the . . .
What is the ratio of the reverse area of a dime to its circumference if its . . .
Estimate the percentage of the circle area compared with the square area.
If I use 30 g of batter to make a crêpe of 30 cm in diameter, how much batter . . .
How many squares one inch on a side can be fitted into a circle with a . . .
What is the surface area of the cube if its side length is 3 cm?
James the Mathematician just measured the angle of his piece of pizza, which is . . .
A solar power station includes 17,000 mirrors, each 60m
2
. What . . .
Dr Heidi has been called in as an expert to solve a problem. There is a device . . .
Britain’s greatest inventor of mathematical puzzles Henry Ernest Dudeney asked . . .
Find X.
This rectangle has an area of 1 square meter. What is the ratio of its width . . .
Marek, the pan-dimensional super being, has arbitrarily defined his current . . .
What is the minimum number of matches that must be moved in order to obtain . . .
What is the perimeter of a regular hexagon that perfectly fits into a circle . . .
I can draw 2 diagonals in a square. How many diagonals can I draw in a . . .
Tim received the following scores in the online math tests: 80%, 81%, 82%, . . .
A week ago, Anna's jar was filled with 100 jellybeans. She always took the . . .
A catering company places 14 people around six tables. What is the minimum . . .
One person is chosen at random. What is the probability that he is a . . .
One person is chosen at random from the list. What is the probability that . . .
How many different ways can $100 be made using only $5 and $10 bills?
John chooses one tile without looking. He counts the number of spots. What . . .
Eugenia earned 60, 65, 71, 79, 85 and 90 on her mathematics examinations. If . . .
Which scatter plot best shows the relationship between the time that a bamboo . . .
1, -1, 2, -2, 3, -3, . . . , 999, -999, 1000. Figure the average of all of . . .
The average of a set of 12 numbers is 12. If 1, 2 and 3 are added to the . . .
I placed 6 cards in a box. Two cards are blue on both sides, two cards are . . .
How many diagonals does a regular octagon have?
I have six poles with the length of 1, 2, 3, 4, 5 and 6 meters. How many . . .
There are five traffic lights on River Avenue. In how many ways can the . . .
Three apples were weighed in pairs and the weights were 200, 204, and 208 . . .
How many 11-digit numbers can you make using 0, 1?
The base of the pyramid is a square. How many layers are there in such a . . .
Only one of these four statements is correct. Which statement is correct?
Which number when it is added to 22/17 gives the same result as when it is . . .
In a survey of students, 2/3 of the girls and 1/2 of the boys preferred using . . .
A bag contains six green, five gray, and four violet disks. If two disks are . . .
Thirty-three apples, or 66% of the total, were not sold. How many apples . . .
The slice that has been eaten had 7 mushrooms on it. What is the estimated . . .
In a class, 95% of the students earned A grades on the first test, 90% earned A . . .
John earned an average of 90% on his five exams. What is the lowest possible . . .
On the chessboard, what is the probability that a randomly chosen square is . . .
What is the difference between the sums of numbers in the seventh and third . . .
Anna recorded the temperature every day for a week (7days). It was 22° on . . .
The table shows the results of a competition among 5 teams. How many teams . . .
Bob the plumber has 8 pockets and 40 nuts. He wants to put the nuts in all . . .
Bob shaves himself 3 minutes every day including the weekends. If he starts . . .
A palindrome is a word, phrase, or sequence that reads the same backwards as . . .
On average, how many times must you throw a die until you roll a six?
John owns 3/4 of a timber business and sells 2/9 of his share for $600,000. . . .
A surgeon has two pairs of surgical gloves. What is the maximum number of . . .
Arrange nine numbers in a circle so that the difference between neighboring . . .
What is the average of the first 2016 counting numbers? Counting numbers (1, . . .
Anna needs $250 to buy a music box. In January, she saved $4. She saved twice . . .
Maria answered 22 of the 25 questions on her test. Half of them, she did . . .
The symbol N! denotes the product of the first N positive integers. Find the . . .
What is the average number of letters in the words of the text?
Nine people stand in a queue. The first person takes 9 apples, and each other . . .
Would you rather sit in a traffic jam for . . .
In which word below is the percentage of vowels the smallest?
How many minutes have already passed today?
If X = 40 percent of Y, what percent of X is Y?
Only 26% of 50 students passed an exam. How many students failed the test?
The product of 20 positive integers is 56. What is the smallest possible sum . . .
A bus can hold 66 students. The bus starts out empty and picks up 1 student at . . .
The letters A, E, I, O, and U are vowels. What percent of the letters in the . . .
What is the sum of dots that are not visible from the current direction, but . . .
Martin saves $8 on March 1st. Each day after that he saves $2 more than he . . .
Three brothers share their father's sheep. Father said that the second son . . .
Find the sum of the following sequence: 3 + 6 + 9 + . . . + 996 + 999
Jane has forgotten the address of her friend’s house, but knows it contains the . . .
Gerry rolled three standard cubical dice and added up the numbers showing on . . .
Daniel is two years older than three times Joanna's age. If Joanna is j years . . .
John packs 10 CDs in a box. If he has 123 CDs of one type, and 45 of . . .
Which statement is NOT correct?
Tim is building two hamster cages in the shape of rectangular prisms. The first . . .
Of the 26 capital letters, how many are symmetrical along both the vertical and . . .
Pipe 1 can empty a full tank in 1 hour. Pipe 2 can empty the tank in 2 hours. . . .
Kate ties the leash of her dog to the corner of a garden. The leash is 3 . . .
The number of strawberry cones sold at an ice cream store was 1 more than 3 . . .
How many cubes will balance one sphere?
Alex needs six tacks to fix two rectangular pictures because he can overlap the . . .
The picture shows the first five notes of the tune 'We Wish You A Merry . . .
Water flows through two pipes from F to G. As shown, there are four taps, A, . . .
There is a set of 10 numbers. Five numbers are selected from the set and added . . .
John's dad pays him 80 cents for each correct answer he provides in his math . . .
Five students put their sandwiches into five paper bags. The bags are randomly . . .
Eugenia's grandmother bought a new car for $55,000 in 1970. The car . . .
I want to put exactly 4 liters of milk into a large tub with a capacity of . . .
How many generations forward must you go in order to have more than one . . .
A password consists of three digits, from 0 to 9, followed by a capital letter . . .
The product of four consecutive whole numbers is 3024. What are these . . .
It takes 2 cards to build a single-storey card house. It takes 7 cards to . . .
Is the number of people in the world that has shaken hands with an odd number . . .
A lady always arrives at the train station at exactly six o'clock to pick up . . .
It takes Alex 20 minutes to paint a fence while it takes Bill 30 minutes to . . .
There are 40 boys and 60 girls in Funnytown. There are 50 men and 50 women in . . .
How many of the first 100 integers are divisible by either 2 or 3?
For every birthday of John's life he puts as many dollars in a piggy bank as . . .
Jim won a contest in which the prize was his weight in U.S. dimes (1 dime = 10 . . .
Six post office employees are working today. It takes one employee one minute . . .
Anna and Beatrice ran a 100m race. When Anna crossed the finish line, Beatrice . . .
Twelve teams enter a tournament. Each team plays one match against each of . . .
Anna had an average score of 90 on her first ten tests. Her average after all . . .
The sum of three different positive integers is 33. The smallest and the . . .
Juice is poured from a full 1 L bottle into an empty glass until both the glass . . .
Mrs. Smith has 80 birds: geese, hens and ducks. The ratio of geese to hens is . . .
It takes six people 48 hours to paint a house. How long would it take to . . .
A girl is 10 years old. She is five times older than her dog. In how many . . .
Figure out the smallest difference between two four-digit integers, each . . .
What does the algorithm say?
How many crosses can you place on a Tic-tac-toe board without making . . .
Eight students travel in a car. They speak English, French and Spanish. . . .
Roman numerals are a numeral system of Ancient Rome based on letters of the . . .
In a football tournament every team plays a match against every other team . . .
How many different lines that extend to infinity in both directions can you . . .
I throw a fair die until 1 is obtained. What is the probability that this . . .
A straight line and two circles are drawn to form several bounded regions. . . .
If each row and each column of the square must contain exactly one triangle, . . .
Twenty-two performers have numbers 1 to 22. A couple finds that their numbers . . .
A 200-dollar stock loses $40 of its value for a week. What percent of . . .
Anna began eating 25 jellybeans at a rate of 1 every 5 minutes. Eleven . . .
Thinking outside the box: 52 - 28 = 4 Which digit has to be moved to . . .
A company initially planned for sixty people to complete a project in 100 days. . . .
John is going to repair his house. There are three major activities: . . .
Four sisters are all 30 months apart in age. The total of their ages is equal . . .
The difference between a two-digit number and the two-digit number obtained by . . .
John received a pay raise due to extraordinary performance. He decided to not . . .
An amoeba is a shapeless unicellular organism. An amoeba propagates by simple . . .
Ninety-nine percent of John's nuts and 99% of a nut cost as much as all his . . .
Which number should replace the question mark? 8 1 6 3 4 5 2 7 0 ?
Anna has ten times as many coins as Bill. When Anna gives Bill 9 coins, they . . .
A boy scored 28 times or 35% in a series of kicks. What was the series out . . .
How many steps are required to break the Swiss chocolate bar into 1 x 1 pieces?
The ratio of goats to tigers in a zoo is 3:2. There are a total of 100 . . .
Anna spent $8.99 on groceries. She bought three liters of milk and 20 cereal . . .
Which statement is CORRECT? Here, 'even' is an even number; 'odd' is an odd . . .
Eleven men met at a conference. Each man shook hands with each of the other . . .
For every birthday, John's parents put as many dollars in a piggy bank as his . . .
Eugenia, the magician, receives a 50% discount every time she asks for the . . .
Find the average of the numbers 6 66 666 6666 66666 666666
A melon slice weighs 5kg, and 96% of the weight is from water. After lying in . . .
For every birthday of John's life he puts as many dollars in a piggy bank as . . .
The sum of the consecutive integers from -33 to X, inclusive, is 69. What is . . .
A password consists of four digits and the repetition of digits is not allowed. . . .
Here, a password consists of four capital letters from A to Z. How many . . .
A dozen balls cost you $50. You get every fifth ball for free. How many . . .
Anna had an average score of 90 on her first nine tests. Her average after all . . .
If nine hens can lay six eggs in two days, how many hens would be needed to lay . . .
Estimate what part of the rectangle is blue.
Tree diagrams present the hierarchical structure of schools or companies. . . .
Anna ran in the north direction at a speed of 3 miles per hour, Bobby ran west . . .
Several students want to rent a car for the next weekend. If each contributes . . .
Seventy-five percent of the apples in a box and seventy-five percent of an . . .
A boy scored 21 times or 84% in a series of kicks. What was the series out . . .
I want to move just two matchsticks to make the equation correct. How many . . .
Twelve years ago, Bill was twice as old as Anna. Twelve years on from now, . . .
Adding a letter to a word makes it odd. What is the word?
A boy has as many sisters as brothers, but each of his sisters has three times . . .
A four-letter word can be written forward, backward or upside down while . . .
How many four-digit numbers are there that use the four digits of 2011?
What is half an hour added to 0.45 hours?
Is it legal for a man in Montana to dance with his widow's sister at her . . .
Mount Everest is the Earth's highest mountain with a peak at 8,848 meters . . .
The numbers are the total of the values of the symbols within each column and . . .
1 gives 2 2 gives 6 3 gives 12 4 gives 20 What does 10 give?
A car weighs 997kg when empty and 1234kg when John, his sister Jane, and their . . .
The pie chart represents the results of an election. The least lucky . . .
Metro Card prices: a single ride is $2.5 and a 7-day Metro Card costs $29. . . .
At the beginning, the girl rode 6 km in the first 15 minutes and then 4 km in . . .
Len's number is 31. Jim's number is 32. Sam's number is 33. Which number . . .
The diagram shows the lowest point and the highest point of our planet. What . . .
Mrs. Smith has three sons who played hockey, two sons who played basketball, . . .
Which is correct?
According to Wikipedia Mrs. Vassilyeva holds the record for most children: she . . .
How many days does Bob work every year if he does not work on weekends and has . . .
How many days does Bob work in 40 years of his career if he does not work on . . .
A $1 bill measures 156 mm long and weighs approximately 1 gram. How much . . .
Gerry and Jane spent a week on an island and they ate only coconuts. Gerry . . .
A hospital needs 168 pills to treat 6 patients for 2 weeks. How many pills . . .
In a room, there are 3 bosses, 2 wives, and a plumber who works for the . . .
If the height of the tower is 88 mm, how many pens are needed to build a tower . . .
Sales for a business doubled or tripled every year and increased from 1 million . . .
A brick weighs 5 pounds and half a brick. What does a brick and a half weigh?
When Pinocchio lies, his nose gets twice as long. When he tells the truth, his . . .
Three parrots yell at Gerry every 2, 3 and 4 seconds, respectively. If they . . .
Bob works for 40 years. He does not work on weekends, has a 3-week summer . . .
Leslie Green asks: It is difficult to see a 2% price difference between food . . .
Most solids expand when heated and contract when cooled. Does a hole in a . . .
If 30 students occupy 2/3 of the seats in the classroom, how many students . . .
A triggerfish with a snout like a pig is the national fish of Hawaii and its . . .
Answer the traditional English-language nursery rhyme in the form of a riddle: . . .
According to . . . .
A 52-page newspaper "The Daily Dog News" consists of 13 double sheets. Edgar . . .
What is the main difference between the pictures on the left page and on the . . .
I am listening to a 1-hour audiobook. If I play the same audiobook at 1.25x . . .
What is the number that is equal to one half of one quarter of one tenth of . . .
Their names start with letters A, B, and C. The girl says "My name starts . . .
Which has the most volume?
If a $600 computer is on sale for a 20% discount, what is the sale price?
It costs $24 to paint a cube. Before painting, we divide the cube into two . . .
The original price of an umbrella was $16. What was the price of the umbrella . . .
A food stand buys ice cream cones in packages of 8 and cartons of 14. What . . .
500 employees work for company XYZ, where the ratio of men to women is 6 to 4. . . .
Anna is a member of Greenland Velo's race team. This summer, she has won only . . .
A $10 million lottery pot is divided into equal increments over 20 years. The . . .
If three students eat three apples in 33 seconds, how long will it take nine . . .
A 2-meter wide path is constructed around the outside of a rectangular garden . . .
A lottery has one $8000 prize, two $2000 prizes, and twelve $500 prizes. The . . .
Are you a good bargain shopper? Find the best deal.
The picture shows four supermarket lines, viewed from above. The numbers are . . .
Which spring wire is longest?
Apples are sold in bags of eleven that cost $11 per bag, or bags of nine that . . .
Which is the side view of the 3-D shape?
The area of the white cross is 45% of the area of the square flag. Five white . . .
Estimate the length of the blue cord.
The picture shows an example of the Aztec code for Wikipedia. Estimate the . . .
A jigsaw puzzle consists of 250 identically shaped pieces to spread on a plane. . . .
I completely covered a one square meter area with $100 bills without any . . .
Which of the following collections of round pizzas has the largest area?
A chain with 3 links is 10 cm long. A chain made from 5 links of the same . . .
All sizes can be 1% bigger or smaller compared with the initial design sizes. . . .
I can buy gold bars in boxes of 25 kilograms, 45 kilograms, 65 kilograms, and . . .
In a survey of customers, 2/3 of the female clients and 3/4 of the male clients . . .
Americans measure the temperature in
o
F. Europeans measure the . . .
Jim bought a laptop at 25% off the regular price of $500.00. He also bought a . . .
The drama club is selling tickets to a play for $9 per ticket. The cost to . . .
A $160 watch is on sale for $96. What is the percent change in price?
A particular stock is valued at $40 per share. The value increases by 25% and . . .
Three friends visited a restaurant where everything costs $0.50. They ordered . . .
A stadium security system consists of two stages. In the first stage, 70% of . . .
Sixty carpenters and forty plumbers work together. The average daily rate of a . . .
There are 130 cars in a village of 30 families. Each family has either 4 or 5 . . .
John buys shares in the stock market for $1000. He sells the shares when the . . .
A girl drives from home to her school at an average speed of 50 miles per hour, . . .
A 100-liter vessel is full of a mixture of juice concentrate and water, in . . .
A 100-liter vessel is full of a mixture of juice concentrate and water, in . . .
A stadium contains 20,000 seats. At a match, 20% of the seats remain empty. . . .
Normal milk has 36 grams of fat in a bottle. Fat free milk has 6 grams of . . .
A car that originally sold for $40,000 depreciates at a rate of 50% per year. . . .
John put $10,000.00 in a savings account at an annual interest rate of 5%. He . . .
In a basketball tournament, a team is eliminated after a defeat. There can be . . .
A class picnic is estimated to cost $192. The boys agreed to contribute $1 more . . .
A total of 321 employees work for company XYZ and two thirds of them are men. . . .
A man and his equipment weigh 180kg on Earth. If he takes the same set of . . .
The picture shows a simplified statement of income for company ABC in millions. . . .
A race car is constructed from ultra-lightweight materials. The car weighs . . .
I bought a 15''-screen laptop with a screen width to height ratio of 4 : 3. . . .
To unlock his mobile device, Alex must enter the four different digits of his . . .
Anna has 8 biscuits, Bill has 6, and Cindy has 1. They share them out equally. . . .
What is the minimum number of cuts needed to cut a log into 24 equal pieces? . . .
The picture shows the rectangular floor plan of the first level of a house. . . .
A revolving door with three wings makes 5 complete rotations in a minute. . . .
On a trip, Evguenia cycled 5 km in the first 15 minutes and then 4 km in the . . .
Mr. Smith bought glasses for all members of his family including animals and . . .
Jim can eat a 10-inch pizza in 16 minutes. How long will it take for Jim to . . .
You have 3 coins. One is counterfeit and is either heavier or lighter than the . . .
Tickets for a football game are available for $29 in advance or $39 if . . .
John starts a taxi business and rents a car for $77 per day. The rent . . .
Food is 24% of the Smith family (8 members) monthly budget of $15,000. Next . . .
I composed the numbers from strips of paper. Find the odd one out.
Which number required the most paper?
Jane and Gerry are lost in a forest. Gerry walks east, while Jane walks south . . .
John is Jim's son. Jay is John's son. John is a doctor's son. His father . . .
A pavement stone's side length is 9 cm and it weighs 20kg. How much stone do . . .
Gerry puts 1/10 of his weekly allowance in the bank for college. If he has . . .
Australia defeated American Samoa and set a world record for the largest . . .
Estimate the volume of Bob if he weighs 100kg. 1kg = 2.2 pounds 1 liter . . .
A boat has a ladder that has eight rungs. Each rung is 20cm apart. The bottom . . .
Use of composite materials decreases the weight of passenger airplanes. How . . .
Modern petrol-electric hybrid cars typically have so many sensors that you can . . .
Find the total discount which is equivalent to a discount of 25% followed by a . . .
Dieter's new design of frequency-doubling power converter has an efficiency of . . .
If Bob is exactly 33 years old on the 333rd day of this year, in what month was . . .
A frog jumps around the outside edge of a room from a dark tile to the next . . .
A 2-hour-long television program included 12 minutes of commercials. What . . .
Leslie Green asks: Scientists and engineers need to use quantities which can . . .
Make up one dollar by using 50 coins. What is the number of dimes that can be . . .
Leslie Green asks: quot;Symmetry is a very big subject, involving much more . . .
What day of the week is it 777 hours after noon on Monday?
You are making a bank deposit of $995. You have an unlimited number of $50s, . . .
Which gives the largest answer?
Which gives the smallest answer?
What is 111% of a number, if 132 is 11% of that number?
How many 2-digit integers are there in which the sum of the digits is equal to . . .
If 120 is divided into three parts proportional to 7, 8 and 9, then the largest . . .
Evaluate: 1000000012 – 999999992 
If you write all of the whole numbers from 1 through 1000, how many numbers . . .
A man is eating a pizza. During the first day he eats a half of the pizza. . . .
When freezing, milk increases its volume by 1/15. How will the frozen milk . . .
Work out the sum of all the integers below 100.
A number is said to be perfect if it is equal to the sum of its proper . . .
A prime number is an integer number that has no positive divisors other than 1 . . .
The North American emergency telephone number is 911. It is a prime number. . . .
Multiply all the digits of each license plate without using a calculator. . . .
On this target, I scored exactly 90. How many shots did I fire?
How many positive integer numbers are twice the sum of their digits?
What is the smallest possible difference between two integer numbers that, when . . .
Fill in each empty place between the numbers with one of the symbols +, -, x or . . .
In a class, 7 students walk to school, two fifths ride the bus, and 32% are . . .
January 1st, 2014 was a Wednesday. How many Wednesdays occurred in 2014? . . .
Use four 9's and any math signs to make 100. How many sign '+' did you use?
The maximum capacity of the Wembley Stadium, London, England, is 90,000. The . . .
Gerry writes the first 5 integers. He puts either sign "+" or "x" between the . . .
If m + n + 1 x 2 x 3 = n +123, then what is m?
Solve the equation
Simplify the following expression: (0.002)3
Identify the graph that best represents the relationship between the number of . . .
Which two sides of the polygon ABCDE have the same slope?
Find all the points whose X-coordinates are one-third their Y-coordinates. 
How many different real numbers satisfy this equation?
Find the sum of the digits of 1011 – 1 
How many times larger than 105 is 510? Find the best . . .
Which point on the number line represents a number that has a square root . . .
Find the expression that is TRUE.
Find the expression that is INCORRECT.
Find b.
The number in each square is obtained by adding the numbers connected to it . . .
The girl is 10% taller than the boy. In ten years, he will be 50% taller than . . .
Which of the following gives the smallest value?
90% of 90 girls and 80% of 110 boys have shown up in the concert hall on time. . . .
In Morse code, each symbol is either a dot or a dash. What is the best . . .
F = (x-a)(x-b)(x-c) . . . (x-x)(x-y)(x-z) Find F.
92% of 900 employees of a company arrive at the workplace on time on Friday. . . .
Simplify the following expression 5a4 x 4a3 . . .
Find the sum of all the elements of this finite geometric sequence: 1, 2, 4, . . .
How many 2-digit numbers have a tens digit that is greater than the units digit?
Two candles are of the same height. One burns in three hours, while the other . . .
You can purchase or rent a car. The car is available at a rental fee of $250 . . .
Choose the answer without using a calculator. I multiply together the . . .
Find n. 
A report said that for every 100 babies born in a county, there were 12 more . . .
A grocer divides 171kg of potatoes into 5kg and 2kg bags. If the grocer . . .
Jim paints 1/6 in an hour and John paints 1/4 in an hour. How much time will . . .
A driver's odometer reads 0515 km and the clock reads 05:15 before leaving on a . . .
There is an equal number of boys and girls. Share $10 among them so that each . . .
A tennis ball keeps on bouncing back to half of the height from which it is . . .
In a summer camp, the ratio of people was 11 : 12 : 15 for instructors, boys, . . .
The balance is in equilibrium. Find W.
Brad has as many sisters as brothers. His sister Sue has twice as many . . .
The King of a far away land needs to adjust the temperature of the shower all . . .
A bottle that fully contains juice weighs 1000 grams. The bottle with half of . . .
Gerry has some candy and Jane has some candy. Gerry gives Jane one of his . . .
It usually takes a man several hours to walk from a railway station to his . . .
A hall is cube-shaped. The volume of the hall is 216 cubic meters. The door . . .
Which shape could NOT be a cross section of a cone? 
What is the shortest path?
The aquarium was full of water. A girl has tipped it on its side, so five . . .
Which fraction of this triangle is shaded?
One face of a rectangular box has an area of 15 square cm. Another face is 20 . . .
Find the length of the side of a cube whose volume is numerically the same as . . .
A rectangular floor measures 3 meters by 9 meters. It is tiled with . . .
A sports club is replacing its water supply lines for a swimming pool. The . . .
John is building a flight of stairs. Each stair is the same size. What is . . .
Three corners of a square are A(1,4), B(4,6), and C(6,3). Where is the fourth . . .
How many red circles can be placed inside the blue circle without intersecting? 
Members of the Green Tennis Club are creating a logo. The logo of the club is . . .
Mr. Clever gave his students this pattern of gray tiles. Develop an equation . . .
Which side of this shape is 5 units long? 
A wheel with a red mark on it is rolled along a straight line. What is the . . .
The squares have side lengths of 2 and 4. Find the area of the colored . . .
The figure consists of congruent squares. The perimeter of the figure is 10 . . .
The figure shows a regular octagon. What is the area of the colored part as . . .
I want to build a fence around a rectangular garden. The garden has an area . . .
How many planes of symmetry does an Egyptian pyramid have?
Find the line that splits the area of the ten squares into two equal parts. . . .
The bigger star is similar to the smaller one. It is twice the height of the . . .
How many circles can be placed inside the square without intersecting each . . .
The area of the smallest square is 124 square meters. What is the area of . . .
Cut 1 cube into 8 pieces. One of the pieces is a cube whose volume is three . . .
Find two pairs of shapes that are exactly the same distance apart, where the . . .
You are at point A. You can only walk to the north or east. For example, . . .
For which capital letter of the English alphabet would you use the greatest . . .
The arrow top is at the midpoint of the edge of the rectangle. What fraction . . .
Each diagonal of a cube is increased by 50%. What was the percentage increase . . .
A and B are midpoints of the corresponding sides of the rectangle. What . . .
Every face of a cube has at least one white edge. What is the smallest . . .
A circle is inscribed in trapezoid. What is the minimum possible perimeter of . . .
The circumference of each circle is 24 meters. What is the perimeter of the . . .
John cuts a large piece of cheese into small pieces using straight cuts from a . . .
All triangles are inscribed in circles with a diameter of 1 meter. Find the . . .
What is the sum of the marked angles?
Four touching circles have the same radiuses. Their centers are the corners . . .
Two polygons are congruent if their corresponding sides are equal in length and . . .
Which of the following could be the graph showing the area Y of a square with . . .
Fifteen billiard balls perfectly fit into a triangular rack. What is the . . .
I want to cut round bread into eight equal pieces. What is the smallest . . .
The diagram shows my square pond with a tree in each corner. How much can I . . .
How many colored four-unit shapes can be placed inside the 6x6 square without . . .
A solid is a cube with three tunnels drilled through it, as you can see in the . . .
Four matchsticks form a square. How many non-overlapping squares can be . . .
Ten acrobats are evenly spaced at a circus circular arena. Which acrobat is . . .
Six shapes can be fitted together with no gaps and no overlaps to form a . . .
I want to cut this shape into four pieces all of precisely the same size and . . .
What is the greatest number of possible points of intersection of three . . .
A rectangle floor 12 x 16 is covered by square tiles of sides 40 cm. A chalk . . .
The picture shows a regular pentagon and an equilateral triangle. How large . . .
The colored figure in the picture consists of identical isosceles right . . .
How many inner right angles are possible in a hexagon? 
What is the probability that a point chosen randomly from the interior of a . . .
Eight poles are evenly spaced on the circumference of a big circle. What is . . .
A quadrilateral with one pair of parallel sides is referred to as a trapezoid. . . .
Find the sum of the five marked angles of a star that is inscribed into a . . .
Find the angle between two diagonals drawn on two faces of the cube.
Which red piece can be put with the blue one to form a rectangle?
What is the area of the square? 
An analog wristwatch says that the time is 14:20. The minute hand moves 300 . . .
I assemble rectangles from colored squares. All the squares on the edges are . . .
Identify two shapes with the same perimeter.
What is the perimeter of the triangle? 
If each edge length of this shape is tripled, what will happen to its volume? 
A curtain covers a window as shown on the right. We approximate the area of . . .
Which angle is largest?
Which shape is closer to the point (0,0) ?
How many right angles are possible in a polygon with six sides (hexagon)? 
Which triangle has angles that appear to measure 42°, 48° and 90°?
Which figure can be rotated 72° about its center and have its final . . .
In the diagram, the radii of the two concentric circles are 4.5 and 10, . . .
If two sides of the triangle have lengths of 22 and 33, which of the following . . .
If G is the total area of the green regular octagon and R is the total area of . . .
Calculate the area of the shape in small squares.
Estimate the size of the square if the circle diameter is 25 inches.
Which is the plan view of the 3-D shape?
Which two lines are perpendicular?
What is the volume of the figure, if X = 4? 
In a triangle, the sum of two of the angles is equal to the third. The lengths . . .
The blocks of ice are of the same height. Which assembly melts slowest?
Eugenia discovered round ink spots on her music paper. Which music paper has . . .
Anna takes a rope that is 24 ft long and creates a square. Bob takes the rope . . .
Cut the shape into two pieces and create a square from them. How many small . . .
What is the absolute difference between the largest and smallest possible areas . . .
Three equilateral triangles form seven unique regions. What is the maximum . . .
I increase the cube so that the diagonal AB doubles its original size. How . . .
All three pathways consist of semi-circles. Which pathway from A to B is the . . .
I have a cube with a volume of 1000 cm3. I make the length 20% . . .
Find the maximum area of a rectangle that has a perimeter of 36 m.
If we add all these vectors and place the start of the resulting vector at the . . .
What is the ratio of the reverse area of a dime to its circumference if its . . .
Estimate the percentage of the circle area compared with the square area. 
If I use 30 g of batter to make a crêpe of 30 cm in diameter, how much batter . . .
What is the surface area of the cube if its side length is 3 cm?
James the Mathematician just measured the angle of his piece of pizza, which is . . .
A solar power station includes 17,000 mirrors, each 60m2. What . . .
Dr Heidi has been called in as an expert to solve a problem. There is a device . . .
Find X.
This rectangle has an area of 1 square meter. What is the ratio of its width . . .
Marek, the pan-dimensional super being, has arbitrarily defined his current . . .
What is the minimum number of matches that must be moved in order to obtain . . .
What is the perimeter of a regular hexagon that perfectly fits into a circle . . .
I can draw 2 diagonals in a square. How many diagonals can I draw in a . . .
Tim received the following scores in the online math tests: 80%, 81%, 82%, . . .
A week ago, Anna's jar was filled with 100 jellybeans. She always took the . . .
A catering company places 14 people around six tables. What is the minimum . . .
One person is chosen at random. What is the probability that he is a . . .
One person is chosen at random from the list. What is the probability that . . .
How many different ways can $100 be made using only $5 and $10 bills?
John chooses one tile without looking. He counts the number of spots. What . . .
Eugenia earned 60, 65, 71, 79, 85 and 90 on her mathematics examinations. If . . .
Which scatter plot best shows the relationship between the time that a bamboo . . .
I placed 6 cards in a box. Two cards are blue on both sides, two cards are . . .
How many diagonals does a regular octagon have?
I have six poles with the length of 1, 2, 3, 4, 5 and 6 meters. How many . . .
There are five traffic lights on River Avenue. In how many ways can the . . .
Three apples were weighed in pairs and the weights were 200, 204, and 208 . . .
The base of the pyramid is a square. How many layers are there in such a . . .
Only one of these four statements is correct. Which statement is correct?
In a survey of students, 2/3 of the girls and 1/2 of the boys preferred using . . .
A bag contains six green, five gray, and four violet disks. If two disks are . . .
Thirty-three apples, or 66% of the total, were not sold. How many apples . . .
In a class, 95% of the students earned A grades on the first test, 90% earned A . . .
John earned an average of 90% on his five exams. What is the lowest possible . . .
On the chessboard, what is the probability that a randomly chosen square is . . .
What is the difference between the sums of numbers in the seventh and third . . .
Anna recorded the temperature every day for a week (7days). It was 22° on . . .
The table shows the results of a competition among 5 teams. How many teams . . .
Bob the plumber has 8 pockets and 40 nuts. He wants to put the nuts in all . . .
On average, how many times must you throw a die until you roll a six?
John owns 3/4 of a timber business and sells 2/9 of his share for $600,000. . . .
Arrange nine numbers in a circle so that the difference between neighboring . . .
Anna needs $250 to buy a music box. In January, she saved $4. She saved twice . . .
What is the average number of letters in the words of the text?
Nine people stand in a queue. The first person takes 9 apples, and each other . . .
Would you rather sit in a traffic jam for . . . 
How many minutes have already passed today?
Only 26% of 50 students passed an exam. How many students failed the test?
What is the sum of dots that are not visible from the current direction, but . . .
Martin saves $8 on March 1st. Each day after that he saves $2 more than he . . .
Three brothers share their father's sheep. Father said that the second son . . .
Jane has forgotten the address of her friend’s house, but knows it contains the . . .
Gerry rolled three standard cubical dice and added up the numbers showing on . . .
Daniel is two years older than three times Joanna's age. If Joanna is j years . . .
John packs 10 CDs in a box. If he has 123 CDs of one type, and 45 of . . .
Which statement is NOT correct?
Pipe 1 can empty a full tank in 1 hour. Pipe 2 can empty the tank in 2 hours. . . .
Kate ties the leash of her dog to the corner of a garden. The leash is 3 . . .
The number of strawberry cones sold at an ice cream store was 1 more than 3 . . .
How many cubes will balance one sphere?
Alex needs six tacks to fix two rectangular pictures because he can overlap the . . .
The picture shows the first five notes of the tune 'We Wish You A Merry . . .
Water flows through two pipes from F to G. As shown, there are four taps, A, . . .
There is a set of 10 numbers. Five numbers are selected from the set and added . . .
Five students put their sandwiches into five paper bags. The bags are randomly . . .
Eugenia's grandmother bought a new car for $55,000 in 1970. The car . . .
I want to put exactly 4 liters of milk into a large tub with a capacity of . . .
How many generations forward must you go in order to have more than one . . .
A password consists of three digits, from 0 to 9, followed by a capital letter . . .
The product of four consecutive whole numbers is 3024. What are these . . .
It takes 2 cards to build a single-storey card house. It takes 7 cards to . . .
Is the number of people in the world that has shaken hands with an odd number . . .
How many of the first 100 integers are divisible by either 2 or 3?
For every birthday of John's life he puts as many dollars in a piggy bank as . . .
Six post office employees are working today. It takes one employee one minute . . .
Anna and Beatrice ran a 100m race. When Anna crossed the finish line, Beatrice . . .
Twelve teams enter a tournament. Each team plays one match against each of . . .
The sum of three different positive integers is 33. The smallest and the . . .
Juice is poured from a full 1 L bottle into an empty glass until both the glass . . .
Mrs. Smith has 80 birds: geese, hens and ducks. The ratio of geese to hens is . . .
It takes six people 48 hours to paint a house. How long would it take to . . .
A girl is 10 years old. She is five times older than her dog. In how many . . .
What does the algorithm say?
How many crosses can you place on a Tic-tac-toe board without making . . .
Roman numerals are a numeral system of Ancient Rome based on letters of the . . .
How many different lines that extend to infinity in both directions can you . . .
A straight line and two circles are drawn to form several bounded regions. . . .
If each row and each column of the square must contain exactly one triangle, . . .
Twenty-two performers have numbers 1 to 22. A couple finds that their numbers . . .
Thinking outside the box: 52 - 28 = 4 Which digit has to be moved to . . .
A company initially planned for sixty people to complete a project in 100 days. . . .
John is going to repair his house. There are three major activities: . . .
Four sisters are all 30 months apart in age. The total of their ages is equal . . .
An amoeba is a shapeless unicellular organism. An amoeba propagates by simple . . .
Anna has ten times as many coins as Bill. When Anna gives Bill 9 coins, they . . .
A boy scored 28 times or 35% in a series of kicks. What was the series out . . .
How many steps are required to break the Swiss chocolate bar into 1 x 1 pieces? 
Eleven men met at a conference. Each man shook hands with each of the other . . .
A melon slice weighs 5kg, and 96% of the weight is from water. After lying in . . .
If nine hens can lay six eggs in two days, how many hens would be needed to lay . . .
Estimate what part of the rectangle is blue.
Tree diagrams present the hierarchical structure of schools or companies. . . .
Anna ran in the north direction at a speed of 3 miles per hour, Bobby ran west . . .
Seventy-five percent of the apples in a box and seventy-five percent of an . . .
I want to move just two matchsticks to make the equation correct. How many . . .
Twelve years ago, Bill was twice as old as Anna. Twelve years on from now, . . .
Mount Everest is the Earth's highest mountain with a peak at 8,848 meters . . .
The numbers are the total of the values of the symbols within each column and . . .
The pie chart represents the results of an election. The least lucky . . .
Metro Card prices: a single ride is $2.5 and a 7-day Metro Card costs $29. . . .
At the beginning, the girl rode 6 km in the first 15 minutes and then 4 km in . . .
The diagram shows the lowest point and the highest point of our planet. What . . .
Mrs. Smith has three sons who played hockey, two sons who played basketball, . . .
According to Wikipedia Mrs. Vassilyeva holds the record for most children: she . . .
A $1 bill measures 156 mm long and weighs approximately 1 gram. How much . . .
Gerry and Jane spent a week on an island and they ate only coconuts. Gerry . . .
A hospital needs 168 pills to treat 6 patients for 2 weeks. How many pills . . .
If the height of the tower is 88 mm, how many pens are needed to build a tower . . .
Sales for a business doubled or tripled every year and increased from 1 million . . .
A brick weighs 5 pounds and half a brick. What does a brick and a half weigh?
When Pinocchio lies, his nose gets twice as long. When he tells the truth, his . . .
Three parrots yell at Gerry every 2, 3 and 4 seconds, respectively. If they . . .
Leslie Green asks: It is difficult to see a 2% price difference between food . . .
Most solids expand when heated and contract when cooled. Does a hole in a . . .
If 30 students occupy 2/3 of the seats in the classroom, how many students . . .
A triggerfish with a snout like a pig is the national fish of Hawaii and its . . .
Answer the traditional English-language nursery rhyme in the form of a riddle: . . .
A 52-page newspaper "The Daily Dog News" consists of 13 double sheets. Edgar . . .
What is the main difference between the pictures on the left page and on the . . .
If a $600 computer is on sale for a 20% discount, what is the sale price?
It costs $24 to paint a cube. Before painting, we divide the cube into two . . .
The original price of an umbrella was $16. What was the price of the umbrella . . .
500 employees work for company XYZ, where the ratio of men to women is 6 to 4. . . .
Anna is a member of Greenland Velo's race team. This summer, she has won only . . .
A 2-meter wide path is constructed around the outside of a rectangular garden . . .
The picture shows four supermarket lines, viewed from above. The numbers are . . .
Which spring wire is longest?
Apples are sold in bags of eleven that cost $11 per bag, or bags of nine that . . .
The area of the white cross is 45% of the area of the square flag. Five white . . .
Estimate the length of the blue cord.
The picture shows an example of the Aztec code for Wikipedia. Estimate the . . .
A jigsaw puzzle consists of 250 identically shaped pieces to spread on a plane. . . .
A chain with 3 links is 10 cm long. A chain made from 5 links of the same . . .
All sizes can be 1% bigger or smaller compared with the initial design sizes. . . .
I can buy gold bars in boxes of 25 kilograms, 45 kilograms, 65 kilograms, and . . .
A particular stock is valued at $40 per share. The value increases by 25% and . . .
Normal milk has 36 grams of fat in a bottle. Fat free milk has 6 grams of . . .
A class picnic is estimated to cost $192. The boys agreed to contribute $1 more . . .
A man and his equipment weigh 180kg on Earth. If he takes the same set of . . .
The picture shows a simplified statement of income for company ABC in millions. . . .
Anna has 8 biscuits, Bill has 6, and Cindy has 1. They share them out equally. . . .
What is the minimum number of cuts needed to cut a log into 24 equal pieces? . . .
The picture shows the rectangular floor plan of the first level of a house. . . .
A revolving door with three wings makes 5 complete rotations in a minute. . . .
Mr. Smith bought glasses for all members of his family including animals and . . .
You have 3 coins. One is counterfeit and is either heavier or lighter than the . . .
John starts a taxi business and rents a car for $77 per day. The rent . . .
I composed the numbers from strips of paper. Find the odd one out.
John is Jim's son. Jay is John's son. John is a doctor's son. His father . . .
A pavement stone's side length is 9 cm and it weighs 20kg. How much stone do . . .
A boat has a ladder that has eight rungs. Each rung is 20cm apart. The bottom . . .
Use of composite materials decreases the weight of passenger airplanes. How . . .
Modern petrol-electric hybrid cars typically have so many sensors that you can . . .
Find the total discount which is equivalent to a discount of 25% followed by a . . .
Dieter's new design of frequency-doubling power converter has an efficiency of . . .
A frog jumps around the outside edge of a room from a dark tile to the next . . .
A 2-hour-long television program included 12 minutes of commercials. What . . .
Make up one dollar by using 50 coins. What is the number of dimes that can be . . .
Leslie Green asks: quot;Symmetry is a very big subject, involving much more . . .
What day of the week is it 777 hours after noon on Monday?