Answer:
What goes up the hill and down the hill, And spite of all, yet stand still?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
How many bananas can you eat if your stomach is empty?
A bike rider is traveling north at 25 mph, a car passes the bike rider going north at 40 mph. At the same time the bike rider passes a jogger running north at 5 mph. Which will move away from the bike rider at a faster pace, the car or the jogger?
A town has only two barbers. One of the barbers has a nice, tidy haircut, and the other has a shaggy, messy haircut. Which barber should you go to?
What did the piece of wood say when he saw the screwdriver and screws approaching?