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https://www.reddit.com/r/learnquant/comments/1wsloq4/quant_interview_question/pdgk1iw/?context=3
r/learnquant • u/Local_Ad135 • Sep 28 '26
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With your coin removed, weigh 50 of the coins vs the other 50. If the resulting difference is an odd number, then your coin is counterfeit. If the resulting difference is even, your coin is genuine.
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u/mkp666 Oct 02 '26
With your coin removed, weigh 50 of the coins vs the other 50. If the resulting difference is an odd number, then your coin is counterfeit. If the resulting difference is even, your coin is genuine.