Clean riddles

What has a foot but no legs?

It's red, blue, purple and green. No one can reach it, not even the queen.

What you cannot hold it but it is yours?

The digits 0-9(0,1,2,3,4,5,6,7,8,9) can be rearranged into 3628800 distinct 10 digits numbers. How many of these numbers are prime?

A doctor and a bus driver are both in love with the same woman, an attractive girl named Sarah. The bus driver had to go on a long bustrip that would last a week. Before he left, he gave Sarah seven apples. Why?

If you have me, you want to share me. If you share me, you haven't got me. What am I?

What comes once in a minute, twice in a moment, but never in a thousand years?

What has a foot on each side and one in the middle?

I never ask questions, but always answered. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?