Answer:
How can you throw a ball 20 meters, and have it come back to you without hitting anything?
An archaeologist digs up two perfectly preserved bodies. He immediately identifies them as Adam and Eve. How can he tell they are Adam and Eve?
The more that there is of this, the less you see. What is it?
When is homework not homework?
A grandmother, two mothers and two daughters went shopping together and everyone bought one purse each. How many purses did they bring home all together?
What goes around and around the wood, but never goes into the wood?