What is wrong in the below Picture?

Can you find the key in the picture below?

What do you see in the given picture?

How many triangles can you count in the figure given?

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.

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Can you find out the missing number in the grid?

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

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

Can you count the number of triangles in the given figure?