What is full of holes but still holds water?

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

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

What has one eye, but can’t see?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

There is something which you can be arrested for attempting but not for successfully completing.

Solve the alphametic puzzle by replacing the alphabet with the number.

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