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.

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

In the image given, you can find several triangles. Can you count them all?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Out of four images which one is the odd one out?

Can you count the number of squares in the given picture?

What do you see in the given picture?

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