What will you call your mother's brother's brother-in-law?

If your uncle’s sister is not your aunt, what relation is she to you?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

What is full of holes but still holds water?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?