I am a prime number.
The double of myself is equal to the square of me.

which number am I?

I always drive my customer away.

Who am I?

A man dies of old age on his 25 birthday. How is this possible?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

Can you fill the blank with the correct number?

6 30 870 756030 _____

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

Why is the longest human nose just 11 inches?

What can you hold in your right hand, but never in your left hand?