Good Riddles

Question: Round like a dishpan and smaller than a bathtub.But the ocean can't fill it.What is it?

Question: You throw away the outside, eat the inside, and throw away the inside.

Question: I have numbers on my face but can't find 13 any place. What am i?

Question: You may always chase me but you are always about 3 miles away.

What am I?

Question: Three men rob a store but come out completely changed. Yet they continue robbing other stores.

What kind of store did they first rob?