How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Considering the below equation:

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

Then, I + II + III = ?

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

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

In the given picture, in how many ways can you read the word "Tiger"?

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

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?