Answer:
If there are three apples and you take away two, how many do you have?
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?
How can you throw a ball 20 meters, and have it come back to you without hitting anything?
What is the difference between yesterday and tomorrow?
What was the longest river in the world before the Amazon River was discovered?
Not born, but from a Mother's body drawn. I hang until half of me is gone. I sleep in a cave until I grow old. Then valued for my hardened gold.