Answer:
You draw a line. Without touching it, how do you make the line longer?
4 rubber ducks were floating in the bathtub, 2 floated away and 2 drowned. How many ducks are still alive?
What can you hold in your right hand but never in your left hand?
A traveller moved from North to East then to West and lastly South.. What was he looking for?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
Lynn likes grapes but not potatoes. She likes squash but not lettuce, and she likes peas but not onions. Following the same rule, will she like pumpkins or apples?