A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

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

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

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?