Answer:
What can you fill a room with that takes up no space?
How can you throw a ball 20 meters, and have it come back to you without hitting anything?
What is as big as you are and yet does not weigh anything?
A traveller moved from North to East then to West and lastly South.. What was he looking for?
Railroad crossing without and cars can you spell that without any R's
Of no use to one, Bliss to two. Men lie for it. The baby’s right,