Vamsi Pavan’s Place

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Coin weighing and finding defective

June 16th, 2008 · No Comments · Placements, Puzzles

There are 9 coins. Out of which one is odd one i.e weight is less or more. How many iterations of weighing are required to find odd coin?
Try yourself first and finally, Select all to know the answer.
Answer
It is always possible to find odd coin in 3 weighings and to tell whether the odd coin […]

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