ID 289

ID 290

ID 291

ID 292

ID 293

ID 294

ID 296

ID 298

ID 319

ID 327

ID 328

ID 332

ID 335

ID 341

ID 354

ID 366

ID 374

ID 379

ID 385

ID 387

ID 1123

ID 1289

ID 1291

ID 1332

ID 1334

ID 1411

ID 1534

ID 1633

ID 1707

ID 1720

ID 1726

Sue wants to earn exactly 33 points.

The ducks give different points.

Which is the smallest number of ducks she can take?

ID 1728

The pages of a book are consecutively numbered from 1 through 99.

How many digits are there in this numbering?

ID 1760

ID 1798

ID 1810

Four children want to share five chocolate bars so that everyone gets the same amount.

How many 1x1 pieces does each child get?

ID 1892

ID 1901

ID 1920

ID 2042

ID 2760

ID 2761

ID 2764

ID 2769

ID 2792

ID 2799

ID 2806

ID 2809

ID 2814

ID 2821

ID 2832

ID 2843

ID 2852

ID 2853

ID 2855

ID 2874

ID 3326

ID 3343

ID 3365

ID 3426

The pages of a book are consecutively numbered from 1 through 100.

How many digits are there in this numbering?

ID 3439

Six children want to share five chocolate bars so that everyone gets the same amount.

How many 1x1 pieces does each child get?

ID 3453

ID 3562

ID 3614

My friend and I have the same amount of cubes.

How many cubes do I need to give him in order to have 10 cubes fewer than him?

ID 3619

How many numbers are there in the English language that are spelt with the same number of letters as the number itself?

ID 3892

ID 3930

A boy is 13 years old and his mother is 31 years old, which is his age with the digits reversed.

When will the digits of their ages be the reverse of each other again?

ID 3980

Find the third number at the base of the pyramid if each number is the sum of the two numbers directly below it.

ID 4015

ID 4043

If you were to spell out the numbers, how far would you have to go before encountering the letter 'g'?

ID 4134

A driver's odometer reads 78987 before leaving on a trip.

At the end of the trip, the odometer reads 79878.

How far has the driver driven?

ID 4136

The gasoline tank in a car holds 17 gallons.

The car averages 25 miles to the gallon.

How many miles does the car travel with one tank of gasoline?

ID 4197

ID 4222

ID 4391

ID 4393

ID 4467

ID 4752

ID 4768

ID 4809

ID 4864

ID 4926

ID 4944

ID 4977

In London 2012, the USA won 46 gold, 28 silver and 29 bronze medals.

Great Britain was third with 29 gold, 17 silver and 19 bronze.

How many more medals did the USA win compared to Great Britain?

ID 5029

ID 5052

1991 is a number that stays the same when read backwards as when read forwards.

Which of the following numbers does not have this property?

ID 5072

ID 5127

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

Jane equally shares the coins with Gerry.

How many coins does the boy get?

ID 5292

ID 5640

ID 5723

ID 5728

This wooden hut with a rock roof in the Swiss village Mogno was built in 1651.

How old was the building in 2015?

ID 5736

ID 5871

ID 5881

ID 5883

ID 5953

Each of my three friends and I have the same amount of cubes.

How many cubes do I need to give them in order to have 12 cubes fewer than each of them?

ID 6095

Three of the numbers 2, 4, 16, 25, and 50 have a product of 800.

What is the sum of those three numbers?

ID 6099

ID 6104

ID 6118

ID 6122

ID 6191

ID 6327

ID 6330

ID 6398

ID 6484

I evenly divided my pieces of candy among my two friends. Each of my friends received twice as many as I kept for myself (shown in the picture).

How many pieces of candy did I have before sharing?

ID 6621

Two hundred and thirty two boys and two hundred and twenty nine girls came out of school at different speeds.

After a while, 38 adults rushed out of the same building even faster than the kids.

How many students and teachers went home after school?

ID 6724

Spotting patterns is very important.

Can you spot which number doesn't fit the pattern?

3, 6, 12, 26, 48, 96, . . .

Author: Leslie Green

ID 6835

Three positive whole numbers give the same result when multiplied together, and when added together.

What is the result?

ID 6872

Evguenia has written down the tongue-twister rhyme of Carolyn Wells

"Betty Botter bought some butter,

but she said, this butter's bitter;

if I put it in my batter, it will make my batter bitter,

but a bit of better butter will make my bitter batter better..."

How many times did she write the letter b or B?

ID 6936

ID 7006

How many phrases below are spelled the same written forward as backward?

Samples of Palindromes

My gym

Top spot

No lemon, no melon

ID 7017

ID 7142

There are on average 160 words on each page of the books.

There are on average 500 pages in each book.

How many words are there in the books?

ID 7188

How many 3-digit numbers can you make using each of the 3 digits: 0, 1, and 2, once each per number?

ID 7252

ID 7390