why number 8549176320 is one of a kind?

You can hear me, but you can't touch or see me.

What am I?

Who has married many women but was never married?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

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.

John was drowned by he was not wet. How?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

Move three sticks of the spiral below to form a square.

Count the squares in the matchstick puzzle below?

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