Answer:
How can you throw a ball 20 meters, and have it come back to you without hitting anything?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?
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 is the building that you leave without ever having entered.
When is homework not homework?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?