Answer:
How can you place a pencil on the floor so that no one can jump over it?
In 1990, a person is 15 years old. In 1995 that same person is 10 years old. How is this possible?
A man was sitting on his couch and searching for the English Channel. How did he find it?
A girl is sitting in a house at night that has no lights on at all. There is no lamp, no candle, nothing. Yet she is reading. How?
What is yours but only used by others?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.