Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

What work can one never finish?

A man dies of old age on his 25 birthday. How is this possible?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

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?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

A man was just doing his job when his suit was torn. Why did he die three minutes later?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?