perplexus.info :: Weights and Scales : 9 coins prob

9 coins prob (Posted on 2016-01-18)

There are nine silver coins marked 1, 2, 3, 4, 5, 6, 7, 8, and 9.
They are supposed to weigh the number of grams that is written on them.
One of the coins is fake and is lighter than it should be.

Find the fake coin using the balance scale twice.

No Solution Yet Submitted by Ady TZIDON

Rating: 3.0000 (1 votes)

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Subject	Author	Date
re(2): Two preplanned weighings	Brian Smith	2016-01-19 10:04:00
re: Two preplanned weighings	Steve Herman	2016-01-19 07:59:35
re: Two preplanned weighings	Charlie	2016-01-19 07:56:20
Two preplanned weighings	Brian Smith	2016-01-18 23:22:11
Outline of a sample solution	Charlie	2016-01-18 15:50:43
A solution	Jer	2016-01-18 12:17:21

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