Good Riddles

Question: A man looks out to a boat full of people But there's not a single person on board. How is this possible?

Question: Round like a apple, deep like a cup, but all the kings horses can't pull it up.

What is it?

Question: Mary's mother had 4 daughters. May, June, July, and.....?

Question: At the beginning of the first day of school there was a dead boy found inside of a classroom. They found 3 suspects: The janitor, the teacher and one of the boy's classmates. The janitor claims that he was just cleaning the room, the teacher said that she was computing her student's grades and the boy's classmate claims that he was listening to music.

Who committed the crime?

Question: You are in a car with some helium balloons and hit the gas. While you accelerate, which way does the balloon move?