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Riddles, brain puzzles and mathematical problems

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Riddles, brain puzzles and mathematical problems
BAndrew Offline
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#245
RE: Riddles, brain puzzles and mathematical problems

We have a scale with two disks like this:

[Image: scale-of-justice.jpg]

and we have 27 identical coins, but 1 of them has less weight than the rest.
How many weighings are needed to find this coin? Specify also how this will be done. Give the answer with the minimum possible weightnings.
•I have found the answer to the universe and everything, but this sign is too small to contain it.

[Image: k2g44ae]



(This post was last modified: 04-09-2014, 09:24 PM by BAndrew.)
04-09-2014, 08:42 PM
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RE: Riddles, brain puzzles and mathematical problems - by BAndrew - 04-09-2014, 08:42 PM



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