What turns from red to black as soon as it touches water?

What turns from red to black as soon as it touches water?

Other Difficult Riddles

What is the freedom of birds and the pen of old men?

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Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.

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I am mother and father, but never birth or nurse. I'm rarely still, but I never wander.

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Being able to interpret the letters on this screen proves that you have this quality.

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A blind man enters a maze, and the entrance closes behind him. His only way out is to solve the maze. A long time passes, and he exits the maze through the correct exit. How did he solve the maze?

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Riddle of the Day

Mar 14, 2026

They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.

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