perplexus.info :: Weights and Scales : Water Works

Water Works (Posted on 2002-11-02)

You have a 5 gallon jug and a 3 gallon jug. You have no other measuring devices.

Measure out exactly 4 gallons of water (Assume you have a river handy, or some other limitless water supply).

See The Solution Submitted by scunny

Rating: 2.2667 (15 votes)

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Solution

| Comment 12 of 18 |

5 up [5=5,3=0]
Pour 5>3 [5=2,3=3]
Empty 3 [5=2,3=0]
Pour 5>3 [5=0,3=2]
Fill 5 [5=5,3=2]
Pour 5>3 - stop when 3 full[5=4,3=3]

Posted by Jack McBarn on 2004-02-11 14:28:06

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