You have eight coins. They all look identical, but one is a fake and is slightly lighter than the others. Explain how you can use a balance scale to determine which coin

You have 9 coins, and one of them is counterfeit (it weighs less than the others). How do you find the counterfeit coin using 2 weighings? - Quora

Fake coin detection. Fake coins Suppose we have a number of coins, at most one is fake (i.e. either one is fake or none is fake). You have a pair of scales.

Seeking Mathematical Truth in Counterfeit Coin Puzzles

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SOLVED: There are 24 coins (identical in appearance) and a balance

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If this were an actual thing, how would this be solved? [Request] : r/theydidthemath

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12 coin problem

12 coin problem