There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Who always enjoys poor health?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?