Good Riddles

Question: Whats a question that gets asked a lot and has many different answers to it.

Question: A man in tights is knocked out by a rock next to him.The rock did not touch him.What happened to him?

Question: A man pulls over and goes into a building.He came back with a bucket of water,he dumps it on the sidewalk.Why did he pour the water on the sidewalk?

Question: What is at the begining of the end, the start of eternity, at the end of time and space, was in the middle of yesterday but is nowhere in tomorrow?

Question: What is in the middle of the moon, At the end of an igloo And goes round in loops?