How many times can you subtract the number two from the number fifty?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

I am white when I am dirty, and black when I am clean. What am I?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

Seek and Puzzle: Only the Sharpest Eyes Can Spot the Hidden Star in 10 Seconds

Identify the hidden meaning behind this picture?

What has 13 hearts but no other organs?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Find out the number of circles in the given picture having Illusion