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

Find The Missing Number, 99% of People Fail To Solve This Table, Can You?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

You need to move three matchsticks to form three squares. Can you do it?

Optical Illusion: A cat is hiding in plain sight in the backyard. Only the most observant eyes can spot the cat in 7 seconds. Can you? Test your eye power now!

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

When does a USA Potato change its nationality?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Next Number in the Series,

5, 16, 49, 104, ?