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[Post New]14 May 2008 22:16:35 IST
    Subject: Puzzle - Nice One - Coin puzzle
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mukundmadhav (460)

Blazing goIITian

Olaaa!! Perrrfect answer. 74  [119 rates]
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Take 27 aside, weigh the other two
If one is lighter it contains the counterfeit coin
If both are equal third group has it
Now take 3 groups of 9, 9 and 9
Then 3 groups of 3, 3, and 3
Then 1 each
4 weighings
 this reply: 10 points  (with 2 Olaaa!! Perrrfect answer.   in 2 votes )   [?]
 
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