Logic 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: 5 men go skydiving but when they jump out of the plane, only 4 men have a parachute. How do they all survive?

Question: I am very strong and tough but can be broken in some ways. What am I?

Question: What goes around comes around?

Question: What is ideal without an eye?