What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What part of Turkey has the most feathers?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Why do you find that most of the buildings are deprived of the 13th floor?

What does a man do only once in his lifetime, but women do once a year after they are 29?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Which alphabet letter is a question?

Where do you go to learn how to make ice cream?

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?