Answer:
What is as big as you are and yet does not weigh anything?
What is the largest $ amount of change you can have in your pocket without having exact change for $1?
What is a ten letter word that starts with gas?
What can you stick between a 3 and a 4 so that the result is more than three but less than four?
A claustrophobic person gets on a train. The train enters a tunnel just as it is leaving the station. Where is the best place for him to sit?
What goes around and around the wood, but never goes into the wood?