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?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

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

Can you identify the famous TV character from the rebus below?

Can it be possible to build a house that has all its four walls facing towards the South?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

There is something which you can be arrested for attempting but not for successfully completing.

Who is that with a neck and no head, two arms and no hands? What is it?