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High School Finding the Fake Coin in Minimum Turns
:biggrin: very easy the answer is 2 make 3 piles of 3 coins. put 2 piles on 2 scales. keep the third one aside. if one of the two bundles on the scale is lighter, take that on, otherwise the third one. then put two of the correct pile on the scale, one on each pan. then the lighter one on...- prateek
- Post #2
- Forum: General Math