Covert 0 (Zero)

Can you convert the number zero(0) into a positive number using just one mathematical operator ?




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The Brit lives in the red house.
2. The Swede keeps dogs as pets.
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7. The owner of the yellow house smokes Dunhill.
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11. The owner who keeps the horse lives next to the one who smokes Dunhill.
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Amazing Facts

Word ladder puzzle

The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.