Answer:
When is homework not homework?
A man was sitting on his couch and searching for the English Channel. How did he find it?
How do you make the number one disappear by adding to it?
In 1990, a person is 15 years old. In 1995 that same person is 10 years old. How is this possible?
How can you place a pencil on the floor so that no one can jump over it?
When is it bad luck to see a black cat?