What will you call your mother's brother's brother-in-law?

Do you know who was buried in John's tomb?

A bomb exploded in a room full of married couples and no one died. How?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Make a sentence consisting of three words that have the whole alphabet.

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

What number should come in place of the question mark below?

It belongs to you, but other people use it more than you do. What is it?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?