Can you spot the hidden girl in the picture below?

Spot 5 differences in two Christmas tree below:

Count the number of balls in picture below:

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

Count the number of triangles in the below picture?

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

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

Can you count the number of triangles in the picture below?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?