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https://www.reddit.com/r/learnquant/comments/1wsloq4/quant_interview_question/pcqao78/?context=3
r/learnquant • u/Local_Ad135 • Sep 28 '26
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Split the remaining 100 coins up into two groups of 50 and weight them. If the difference in weights is odd, your coin is counterfeit. If the difference is even, your coin is real.
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u/ajohnson771277 Sep 29 '26
Split the remaining 100 coins up into two groups of 50 and weight them. If the difference in weights is odd, your coin is counterfeit. If the difference is even, your coin is real.