20+20+20=60. How can you make 60 again by using the same number 3 times, but it can’t be 20?

## Three number result in the same answer

What three number result in the same answer whether they are added together or multiplied?

## Subtracting 5

How many times can you subtract the number 5 from 25?

## What time is it when the clock strikes 0

What time is it when the clock strikes 0?

## How can you make 7 even

How can you make 7 even?

## How many seconds are there in one year

## Nine and five

Do you say, “Nine and five is thirteen,” or “Nine and five are thirteen”?

## How long will it take 100 cats to kill 100 rats

If 3 cats can kill 3 rats in 3 minutes, how long will it take 100 cats to kill 100 rats?

## There is a three digit number

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

## Why are 1999 ten pound notes worth more than 1993

Why are 1999 ten pound notes worth more than 1993 ten pound notes?