Logic Riddles

Question: What Two Things Always Ask A Question But never Answer It?

Question: Why don't ants wear gloves?

Question: How much dirt is in a hole that has a radius of 33.2 meters and a height of 78.2 meters?

Question: Thomas is traveling through Germany and stops at a store to use the bathroom. The only problem is he cannot tell which bathroom is for males and which is for females. He finds somebody to ask which is which, but Thomas doesn't speak German. The person he finds can understand English but can only speak and respond in German.

Thomas really has to go to the bathroom, so what two yes or no questions can he ask to figure out which bathroom is which?

Question: A man finds a small iron coin dated 154 B.C., what's it worth?