Nine is Ten

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?




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Rectify the following equality 101 - 102 = 1 by moving just one digit.

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There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
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A word I know,
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There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.