Funny Riddles

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?

Question: Which gate can you not go through?

Question: I do not eat food. But I do enjoy a light meal everyday.

What am I?

Question: How do you make the number one disappear by adding to it?

Question: What was the president of the United State's name in 1980?