Answer:
What is as big as you are and yet does not weigh anything?
Mary gets in the shower, but surprisingly her hair is not wet when she gets out. How is this possible?
A traveller moved from North to East then to West and lastly South.. What was he looking for?
A girl is sitting in a house at night that has no lights on at all. There is no lamp, no candle, nothing. Yet she is reading. How?
How can you place a pencil on the floor so that no one can jump over it?
I only exist when you are here. Where you never were I can never be.