riddles in English

1.What is it that passes under the sun yet casts no shadow?
2.If two is company, and there is a crowd.What are four and five?
3.I am always lying over a river. People can cross the river on me without a boat. Who am I?
4.What is everyone in the world doing at the same time?
5.Three men are under one unbrella, but no one is wet. How can this be true?
6.What has two heads, six feet, one tail, and four ears?
7.If your uncle's sister is not your aunt, is she relative of yours?
8.What is the most difficult key to turn?
9.What man cannot live inside the house?
10.What makes a road broad?

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