Answer:
How could all of your cousins have an aunt who is not your aunt?
You draw a line. Without touching it, how do you make the line longer?
What can you fill a room with that takes up no space?
A traveller moved from North to East then to West and lastly South.. What was he looking for?
What can you hold in your right hand but never in your left hand?
What did the bodybuilder say when he opened his tub of protein powder?