Good Riddles

Question: There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?

Question: A man has 3 children and half of them are girls, how is this possible?

Question: Why did the chicken cross the road?

Question: Why don't mountains catch colds?

Question: When I am released to the wind,
you look away and you pretend,
but away your friends I will send.

What am I?