An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Look at the picture and find out which square is not linked with any of the other squares.

What has a ring but no finger?

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

A bomb exploded in a room full of married couples and no one died. How?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

What makes this number unique: 8,549,176,320?