The centre of the third figure is empty. What digit should fit inside?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

When it is alive we sing, when it is dead we clap our hands. What is it?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

What goes up but never comes down?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Prove that twice of ten is the same as twice of eleven.