Tricky Math

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??




Similar Riddles

If 1+9+8=1, what is 2+8+9?

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I am thinking of a five-digit number such that:
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What number I am thinking of?

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I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

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A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

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