Good Riddles

Question: He Knows Everything!! But No one Knows him!!!

Question: There were 2 men climbing on mount everest when one man falls off the edge, the next day both of the men have dinner together. How can this be?

Question: Who's tallest is faster then it's shortest but it's thinnest is faster then it's tallest?

Question: If one cat is a mother, one cat a sister, one cat an aunt, one cat a cousin, one cat a grandma and one a granddaughter, how many cats are there?

Question: What is a snake's favourite subject in school?