Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What happened when the wheel was invented?

Kohli and Dhoni decided to have a paintball match.
Kohli told Dhoni, "Sir it is not right as you got thrice the paintballs I have".

Dhoni instantly gives Kohli 10 hit paintballs.
Kohli replied, "Sir, I believe you still have twice the paintballs than I have".

Dhoni gives "?" more paintballs to Kohli.
Kohli replied, "Sir it is even now, Let us have a match".

What is "?".

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

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?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

If 21x = 79x, what is the value of x?

How can a man go eight days without sleep?

Forwards I am heavy, backward I am not. What am I?