The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Prove that twice of ten is the same as twice of eleven.

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Why are all black people so quick ?

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?

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

81 x 9 = 801. What must you do to make the this equation true?

Why is it against the law for a man living in Delhi to be buried in Mumbai?