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12 Weights Puzzle


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#1 Garrek99

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Posted 23 April 2007 - 03:13 AM

I hope you guys enjoy this one as much as I did.

There are 12 weights.
1 weight looks like the others but weights heavier or lighter.
You are given a balance and 3 opportunities to use it.
You must be able to determine which weight is off and whether it is heavier or lighter then the other ones.

I'll post a solution that I have later to give you a chance to solve it for yourself.

Enjoy
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#2 rookie1ja

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Posted 23 April 2007 - 03:06 PM

I like that one. That's why it has been on my site for many years - check http://brainden.com/weighing-puzzles.htm (the one called Weighing IV.)
The solution is in this forum as well - check Weighing IV. - solution
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#3 Garrek99

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Posted 24 April 2007 - 03:10 AM

Yeah, I should wait till I go through all your puzzles before I post "new" ones up, hehe.
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