Good Riddles

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: There is this man how lives in a hotel , in sunny days he goes up the stairs to his hotel room and on rainy days he uses the elevator why?

Question: There are three books on a shelf standing side by side. Each book is 10ml thick. The bookworm eats its way through the first page of the first book to the last page of the last book. How far did the bookworm move if it can only move in a straight horizontal line?

Question: Mike has a father named BOB. Bob is the......... of mike's fatfer

Question: What does this code mean?: YY U R YY U B I C U R YY 4 ME