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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Why is the longest human nose just 11 inches?

I have branches, but no fruit, trunk or leaves. What am I?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday. But only one-ninth of the men and one-twelfth of the women were present to take the bonus.

Can you calculate the amount of money the owner spent if there were 3552 employees?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

I add 5 to 9 and get 2. The answer is correct, so what am I?