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?

Answer Posted / vikram

ans: 3 iterations

divide coins in batches of 3

do 2 iterations of the batches u would know which is
defective batch and also wheather its lighter r heavier.

in another iteration of defective batch u would find
defective coin.

Is This Answer Correct ?    15 Yes 27 No



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