I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

How could a baby fall out of a twenty-story building onto the ground and live?

10+10 and 11+11 can give you the same answer.

Explain how?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

If eleven plus two equals one, what does nine plus five equal?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?