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

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What number when divided in half becomes zero?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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?

You see me once in June, twice in November, and not at all in May. What am I?

Identify the hidden meaning behind this picture?

When it's bad luck to meet a black cat?

What is so fragile that saying its name breaks it?