Why do Chinese men eat more rice than Japanese men do ?

Who can jump higher than a Mountain?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

If two's company, and three's a crowd, then whats four and five ?

Name a key which is hardest to turn.

What does the rebus below mean?

TEN BADTION

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

The answer I give is yes, but what I mean is no. What was the question?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.