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?

### How many fingers are there on 10 hands?

Take a good look at your hands. You have 10 fingers on your hands. How many fingers are there on 10 hands?

### What number do you get

What number do you get when you multiply all of the numbers on a telephone’s number pad?

### When is 99 more than 100

When is 99 more than 100?

### 30 cows and 28 chickens

There are 30 cows in a field, and 28 chickens. How many didn’t?

### How many times can you subtract 10 from 100

How many times can you subtract 10 from 100?