You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

People make me, save me, change me, raise me. What am I?

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 "?".

A man was just doing his job when his suit was torn. Why did he die three minutes later?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What is black when you buy it, red when you use it, and gray when you throw it away?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Our product and our sum always give the same answer. Who are we?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?