perplexus.info :: Weights and Scales : Four Weights

Four Weights (Posted on 2004-07-25)

You have 4 weights weighing 2,3,5 and 7 pounds. The problem is none of them are marked. What is the fewest number of weighings you need using a balance scale figure out which weights are which?

See The Solution Submitted by Brian Smith

Rating: 3.5000 (8 votes)

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re: Why use a computer, common sense says

| Comment 13 of 33 |

(In reply to Why use a computer, common sense says by Juggler)

If the first time you pick the 5 and 7 weights, the procedure fails in the third step...

Posted by Federico Kereki on 2004-07-25 21:05:16

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