What is black when you buy it, red when you use it, and gray when you throw it away?

Looking at the figure given, you will find a square formed with match sticks. This figure comprises five squares. Can you move the matchsticks such that the resulting figure consists of ten squares? Please note that you can drag the matchsticks can't rotate them and have just four moves. How will you do it?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Solve this riddle by finding the odd one out from the rest.

Which alphabet letter is a question?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?