ID 295

Rebecca has 81 coins to share between 9 children.

How many coins will each child get if they are divided equally?

ID 302

On a trip, there are 11 children and 1 adult per boat.

If a total of 96 people went on this boat trip, how many were children?

ID 310

There are two more girls than boys in a class.

There are twenty students in all.

How many boys are in the class?

ID 312

Sixteen teams enter a hockey tournament.

If there can be no draws, how many games must be played if each team can be eliminated by one loss?

ID 316

There are three separate large red boxes, and inside each large box there are two separate small blue boxes, inside each of these small boxes, there is one smaller green box.

How many boxes are there altogether?

ID 331

Jim Smith drinks a magic potion that reduces his weight by half.

He was 111kg before, so how heavy is he now?

ID 337

John works from nine o'clock in the morning until half past six in the evening.

How many hours is that?

ID 348

Jim mowed the area of his lawn shown on the diagram for 12 minutes.

How much time will it take Jim to mow the rest of his lawn?

ID 349

ID 355

Each fence post is 12 centimeters wide.

The distance between the posts is 8 centimeters.

How wide is the fence in the picture?

ID 359

ID 361

ID 370

Roman numerals are a numeral system of Ancient Rome based on letters of the alphabet.

For example, CVII is 107 (100 + 7).

What is the value of **CLXVIII**?

ID 375

ID 377

ID 378

Anna reads four books every month.

She takes a break and does not read any books in July.

What is the number of books that Anna reads in one year?

ID 380

A fifth grade class sold 123 tickets for its class concert. Each ticket costs $4. The class donated 50% of the money to charity.

How much did the class donate to charity?

ID 384

ID 1441

How many different sets of the following numbers add up to the number 33?

1

2

3

11

12

13

21

22

23

(NOTE: Each number can only be used once per set.)

ID 1558

There are eight buckets; four of them are filled with water.

What is the smallest number of buckets that I can move to make the pattern: full bucket, empty bucket, full bucket, empty bucket, etc.?

ID 1589

ID 1646

There are 5 coins in the first pile, 8 in the second, 11 in the third, and 16 in the fourth.

What is the least number of coins that I would have to move to make the first pile the highest?

ID 1855

ID 2080

ID 2234

ID 2731

The book has 126 pages.

Bill has read 48 pages.

How many pages does Bill have to read to finish his book?

ID 2766

Rebecca has 117 coins to share between 9 children.

How many coins will each child get if they are divided equally?

ID 2776

On a trip, there are 8 children and 2 adults per boat.

If a total of 90 people went on this boat trip, how many were children?

ID 2787

There are four more girls than boys in a class.

There are twenty students in all.

How many boys are in the class?

ID 2788

Thirty-two teams enter a hockey tournament.

If there can be no draws, how many games must be played if each team can be eliminated by one loss?

ID 2805

Jim Smith drinks a magic potion that reduces his weight by half.

He was 189kg before, so how heavy is he now?

ID 2824

ID 2836

Roman numerals are a numeral system of Ancient Rome based on letters of the alphabet.

For example, CVII is 107 (100 + 7).

The IV means 4 and not 6 because the correct layout is for lower valued characters to be placed more to the right. If the low valued character is the "wrong side" of a higher value character it should be subtracted.

What is the value of **CLIV**?

ID 3470

ID 3528

ID 3548

ID 3692

ID 3702

I missed the bus because I arrived 15 minutes late.

If the bus departed at 7:50 am, at what time did I arrive at the bus stop?

ID 3721

ID 3849

ID 3875

ID 4155

A math teacher usually has 21 students in her class.

Anna, Bill, and Craig are asleep, Daniel and Erik are in the bathroom, and the teacher has sent Fred and George to the principal's office.

How many students are left in the classroom?

ID 4280

Mrs. Smith's class counted by 6.

Each student said one number. How many students counted if the last number was 96?

ID 4286

The temperature was -5°C at the summit of the Matterhorn, while it was +3°C near the photographer.

What was the temperature difference?

ID 4298

ID 4355

In a family, there are four sisters.

Every sister has one brother.

How many brothers are there in total?

ID 4356

ID 4397

Multiply the number of legs by the number of tails and subtract the number of heads.

What do you get?

ID 4431

ID 4464

I require a passcode that uses 4 different numbers.

I chose the code with the largest sum of the numbers.

Find the sum of the numbers.

ID 4602

The school bus leaves at 8:10 am.

Gerry wants to arrive 15 minutes early to give him time to chat with his love Jane.

At what time does he need to leave his house if the bus stop is 8 minutes away?

ID 4726

ID 4836

In a Zoo section, there are only green lizards and cobras.

If there are 44 legs and 44 tails in total, how many cobras are there?

ID 4911

ID 5057

If there are 25 school buses and each can hold 32 children, how many children will it take to fill all of the buses?

ID 5096

If we define the 6 letters in the middle of the alphabet as average letters, how many of them are there in the word 'AVERAGE'?

ID 5309

THIS TEXT IS IN UPPER CASE.

This text is in lower case.

What is the difference between the number of letters in UPPER CASE and lower case in the text above?

ID 5377

I bought two dozen T-shirts and 12 pairs of short socks.

If I change the T-shirts and socks every day, how much more often do I wash the socks?

ID 5387

ID 5476

What is the main difference between the pictures on the left page and on the right page?

The problem is similar to 100 Bongard Problems on visual pattern recognition.

ID 5790

How many more white squares need to be colored in green so that the number of green squares is the same as the number of the remaining white squares?

ID 5920

ID 5947

ID 6204

A collector puts all of his old cars up for sale.

The price of a car is $34,900.

How many cars can you buy with $200,000?

ID 6216

Leslie Green asks

"Mary has a cat, and a rat, and a hat, and a mat.

If the cat is on the mat, and rat is in the hat, but the hat is on the mat, where is the rat?"

ID 6230

ID 6290

ID 6318

ID 6334

Alex has mathematics class 4 times a week.

If there is mathematics class

8:00 on Monday,

8:55 on Tuesday,

9:50 on Wednesday, and

10:45 on Thursday,

when is it on Friday?

ID 6383

ID 6446

A girl is 10 years old. Her younger sister is half her age.

When the older sister is 100, how old is the younger sister?

ID 6476

2, 3, 10, 12, 13, 20, 21, . . .

If we continue the sequence up to and including 200, how many numbers are there?

ID 6477

A tap drips one drop of water every second.

It takes 3000 such drops to fill a 200-ml glass.

How many drops of water can you put in an empty 50-ml glass?

ID 6478

A tap drips one drop of water every second.

It takes 3000 such drops to fill a 200-ml glass.

How much water do I get in one hour?

ID 6539

The colored flags stand for the six numbers from 0 to 5, placed in increasing order from left to right.

What is the sum of the first three flags?

ID 6613

ID 6617

Firefighters are taught to put on their pants in three seconds.

How many pairs of pants can a well-trained fireman put on in a minute?

ID 6740

John the Baker made 240 loaves of bread this morning. He sold three quarters of them and gave one fifth of the remainder to a neighboring primary school.

How many loaves did he have left?

ID 6803

For every five problems that Evguenia solves correctly, one has a small mistake.

In total, she solved 30 problems.

How many problems did she solve correctly?

ID 6812

ID 6822

Evguenia's dogs have 12 more legs than tails.

How many dogs does she have?

The picture shows only one of her dogs.

ID 6827

What is the largest number of crosses you can place on a 5 x 5 board without making five-in-a-line in any direction (left-right, up-down, or diagonal)?

ID 6853

What is the main reason that koalas sleep 18 - 20 hours per day?

The name KOALA derives from the ancient Aboriginal word meaning NO DRINK because these animals rarely drink water and receive most of their hydration from the water inside the eucalyptus leaves.

ID 6873

A dragon had a head in the morning. Every time a prince cuts off one head, three new heads emerge.

How many heads does the dragon have after seven heads were cut off?

ID 6883

Four numbers are in the small squares.

The sum of the numbers of the first row is 11, the sum of the numbers of the second row is 15, and the sum of the numbers of the first column is 12.

What is the sum of the numbers of the second column?

ID 7019

ID 7049

Leslie Green asks:

I have been told that I am six short of half a dozen eggs.

How many eggs do I have?

ID 7059

There were some students in a school bus.

Nine students get off the bus at the first stop. Six students get in the bus.

Now there are twenty-three students in the bus.

How many students were in the bus at the beginning?

ID 7088

Ten days ago, there were 10 coins in the first pile, 15 coins in the second pile, and 20 coins in the third pile.

The first pile is increased by 1 coin everyday, the second pile by 2, and the third by 3.

How many times more coins are there in the third pile than in the first pile?

ID 7140

You spin the wheel and land twice at the blue sector, 4 times at the yellow sector and once at the green sector before you land on END and the game is over.

How much do you win?

ID 7401

Mary has some money in her pocket.

Her grandmother gives her 4.20 Euros, which she puts in her pocket.

Which amount **cannot** be the amount now in her pocket?