Answer:
What can fill an entire room without taking up any space?
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
The more that there is of this, the less you see. What is it?
Which bank is not used for storing money?
You are participating in the swimming finals at the Olympics. In the final few seconds of the race you narrowly pass the swimmer who was in third place. What place did you get?
What is round, has a twin, and sees more than most?