perplexus.info :: Weights and Scales : Four Coins and Three Weighings

Four Coins and Three Weighings (Posted on 2007-03-08)

You have four coins to sort with a standard balance scale. Their weights are 20g, 21g, 22g and 23g. Prove that there is no strategy which can guarantee sorting the coins with only three weighings.

See The Solution Submitted by Brian Smith

Rating: 4.3333 (3 votes)

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how to edit my post

| Comment 7 of 10 |

how to edit my post to remove all the unwanted crypto signs??

help!!!

Posted by Ady TZIDON on 2007-03-10 02:50:11

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