It belongs to you, but other people use it more than you do. What is it?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What kind of tree can you carry in your hand?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

How can you make number one disappear by adding something to it?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

Can you place three balls such that the equation shown in the picture holds true?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?