Answer:
What man can shave 10 times a day and still have a beard?
The more that there is of this, the less you see. What is it?
You draw a line. Without touching it, how do you make the line longer?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?
How can you throw a ball 20 meters, and have it come back to you without hitting anything?
What goes around and around the wood, but never goes into the wood?