Answer:
What is the only question you can't answer yes to?
What goes up the hill and down the hill, And spite of all, yet stand still?
In 1990, a person is 15 years old. In 1995 that same person is 10 years old. How is this possible?
I have two coins, one is marked George I and one is marked George IV. One is genuine but one is a forgery. Which is the forgery?
I moved in town but after every minute I would ask different people the same question but I got different answers... What was the question?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.