What country can make you shiver?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Prove that twice of ten is the same as twice of eleven.

Why are all black people so quick ?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What always comes into a house through the keyhole?

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?

who is silent in the parliament?

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?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?