Answer:
A train just leaves a station and enters a tunnel. Where is the best place for a claustrophobic person to sit?
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
A traveller moved from North to East then to West and lastly South.. What was he looking for?
What is as big as you are and yet does not weigh anything?
When is homework not homework?
I only exist when you are here. Where you never were I can never be.