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

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

If eleven plus two equals one, what does nine plus five equal?

What is the next number in the series?

15 29 56 108 208 ?

Can you spot the man between the coffee bean in the picture below ?

They are three errirs in this question. Can you find them?

If you say my name, I will no longer exist. What am I?

Identify The phrase in the picture.