Answer:
A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven't eaten in 3 years. Which room is safest for him?
What is as big as you are and yet does not weigh anything?
A man was sitting on his couch and searching for the English Channel. How did he find it?
A man is twenty years old but has only had five birthdays. How is that possible?
Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?