White when dirty

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




Similar Riddles

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

Asked by Neha on 12 Dec 2025


What am I?

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A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

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Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Make the Square

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Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

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Remove two matchsticks to make the below equation correct.

Make the Equation Correct

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

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I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

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I’m tall when I’m young, and I’m short when I’m old. What am I?

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A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.