There are 10 stack of coins containing 10 similar coins each,out of which 1 stack is deformed having all its 10 coins weighing less than the remaining,let the weight of the deformed coins be 0.9g each and non-deformed be 1g each.You are given a weighing machine you have to find the deformed stack by using it once.
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1 comments:
I know the answer, you once told me
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