On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

You need to move three matchsticks to form three squares. Can you do it?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

When 99 is considered higher than 100?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?