How Can You Identify the Counterfeit Coin Among 12 Using Only Three Weighings?

Thread starter kant
Start date Dec 26, 2005

Dec 26, 2005

kant

You have 12 coins. one of the coin is a counterfeit of some unkown weight. The rest of the coins have identical weight. Use three tries in a pan balance to identify the counterfeit.

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Dec 26, 2005

Lisa!

Gold Member

Someone lese's posted it before!

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