Answer:
What can you stick between a 3 and a 4 so that the result is more than three but less than four?
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?
When does 4 - 1 = 5 ?
How could all of your cousins have an aunt who is not your aunt?
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?
It is something you will never see again.