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.

Replace the question mark with the correct number below.

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?