Answer:
4 rubber ducks were floating in the bathtub, 2 floated away and 2 drowned. How many ducks are still alive?
What man can shave 10 times a day and still have a beard?
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?
If you count 20 houses on your right going to the store and 20 houses on your left coming home, how many houses did you count?
How far can a man hike into the forest?
It is something you will never see again.