Answer:
Two fathers and two sons are in a car, yet there are only three people in the car. How is this possible?
When is homework not homework?
How do you blink twice without blinking twice?
10 fish are in a tank. 2 Drown, 4 Swim away, and 3 Die. How many are left?
What can you fill a room with that takes up no space?
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around