Answer:
You draw a line. Without touching it, how do you make the line longer?
If you count 20 houses on your right going to the store and 20 houses on your left coming home, how many houses did you count?
What can fill an entire room without taking up any space?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?
What can you hold in your right hand but never in your left hand?
What sphinxes employ and players enjoy.