Answer:
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?
No matter how terrible things get for the people of the Arctic, they will not eat a penguin. Why not?
There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
If there are three apples and you take away two, how many do you have?
What coin doubles in value when half is deducted?
What is it that makes tears without sorrow. And takes its journey to heaven?