81 x 9 = 801. What must you do to make the this equation true?

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

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

Why is the longest human nose just 11 inches?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

What always comes into a house through the keyhole?

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?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

A blonde put eyeliner on her head. Why?