Answer:
What is as big as you are and yet does not weigh anything?
There are 5 sisters in a room: Ann is reading a book, Margaret is cooking, Kate is playing chess, Marie is doing the laundry. What is the fifth sister doing?
Twelve pears hanging high, twelve men passing by. Each took a pear and left eleven hanging there. How can this be?
A man is able to contact his long lost brother who has never met. They agree to meet. When the brother arrives he is able to instantly pick him out from the crowd. How is that possible?
4 rubber ducks were floating in the bathtub, 2 floated away and 2 drowned. How many ducks are still alive?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?