How will you find out the heavier coin in minimum number of weighing - ProProfs Discuss
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How will you find out the heavier coin in minimum number of weighing and how many weighing it will need? There are 9 coins. 8 are of 1 gm and 1 is of 2 grams.



A. 5
B. 3
C. 4
D. 2
E. 1

This question is part of Aptitude Communication Test
Asked by Telliant, Last updated: Jun 01, 2020

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1 Answer

John Smith

John Smith

Answered Jan 13, 2017

2

2 weighing ( Divide the number of coins into 3 parts at each weighing)
 

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