Why is the longest human nose just 11 inches?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

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

Can you Find and name the hidden bird in the picture below ?

Can you find the thief by just looking at the picture below?

What can you hold in your right hand, but never in your left hand?

Can you tell a 3D object that has just two surfaces?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?