This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

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?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

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?

Who can jump higher than a Mountain?

There are forty elephants and they have forty-fore heads. How can this be possible?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Which fur should we be getting from the Lion?

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?