Can you find out the number that should replace the question mark with a valid reason?

Can you spot the hidden girl in the picture below?

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.

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

Count the number of triangles in the given picture.

Which tank will fill first?

What is wrong in the below Picture?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Solve the counting riddle by identifying the number of triangles in the given picture.