Best riddles for teens

Armored but not a knight, snapping but not a twig, and always at home, even on the move. What am I?

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

What has a foot but no legs?

Shadow drove into the Speedy Service Station and pulled up to the pumps. "Fill it up, please," said Shadow. " This may sound strange," said the owner, "but I'd rather fill two cars from out of town than one car from this town." Shadow looked across the small town and replied, "I know just what you mean." Why would the owner feel this way?

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?

This is a newspaper headline: Workers Strike - Want to Make Less Money! What is going on?

A man was driving a truck at 60 mph. He did not have his headlights on and the moon was not up. Yet he did not hit the woman who crossed the road. How?

What is red but it smells like a blue paint?

A horse is tied to a fifteen-foot rope and there is a bale of hay 25 feet away from him. The horse however is still able to eat from the hay. How is this possible?