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

Replace the question mark with the correct number.

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

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

Why do we preferably have round manhole covers and not square ones?

What does this rebus mean?

O
N
C
E
TIME

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

The Little ant seems to be always confused. Do you know why?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?