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100

What has many keys but can’t open a door?

Answer: A piano

100

What is 9 squared?

Answer: 81

100

What is 25% of 200?

Answer: 50

100

What is 0.5 as a fraction?

Answer: 1/2

100

What is y if 2y = 10

Answer: y = 5

200

How many months have 28 days?

Answer: All of them

200

I am greater than 20 but less than 30. I am even and a multiple of 3. What number am I?

Answer: 24

200

I am a number. Multiply me by 2 and add 10, and you get 18. What number am I?

Answer: 4

200

I am thinking of a number. If you add 7, then double it, the answer is 24. What was my number?

Answer: 5

200

If there are 3 apples and you take away 2, how many do you have?

Answer: 2 (Because you took 2)

300

How many edges does a cube have?

Answer: 12

300

Age Problem: Two years ago, I was three times as old as my brother. In three years, I will be twice as old as my brother. How old are we now?


Answer: Older brother is 17, younger is 7.

300

The Circle Sides: How many sides does a circle have?


Answer: Two. The IN-side and the OUT-side.

300

Llama Pen: Caroline has 24 llamas. If all but 8 ran away, how many did not run away?


Answer: 8

300

Egg Problem: Which way do eggs laid by a rooster on a roof fall?


Answer: Roosters don't lay eggs

400

The Stable Riddle: In a stable, there are men and horses. In total, there are 22 heads and 72 feet. How many men and horses are there?


Answer: 14 horses and 8 men.

400

Clock Maths: It is 9 am now. If I study for 2 hours, take a bath for 1 hour, and have lunch for 1 hour, how many hours are left before 9 am tomorrow?


Answer: 20 hours

400

I am four times as old as my daughter. In 20 years’ time I shall be twice as old as her. How old are we now?

Answer: I am 40 and my daughter is 10

400

The Digit Riddle: A four-digit number: the first digit is of the last, the second is 6 times the first, and the third is the second plus 3. What is the number?


Answer: 1694

400

Number Word: I am an odd number. Take away a letter and I become even. What number am I?


Answer: Seven

500

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation

Answer: 2 + 5 = 3 + 4

500

Ms. Smyth has 4 daughters. Each of his daughters has a brother. How many children does Ms. Smyth have?

Answer: 5

500

What is half of 2 plus 2?

Answer: 3

500

How many 9’s are there between 1 and 100?

Answer: 20

500

There is a three digit number. The second is four times as big as the third number, while the first is three less than the second digit. What is the number?

Answer: 141