Consider a set of 101 coins of which 50 are counterfeit. Each counterfeit coin weighs exactly 1 gm lesser than each normal coin. You have with you a weighing balance with two pans that gives out the difference between the weights of the two pans as an outcome. As in, if one pan weighs 158 gms and the other weighs 136 gms, the reading would be 22 gms.
You are given a simple task to find whether a single coin given to you is normal or counterfeit. You can go to the weighing balance exactly once. Go for it! Give complete details as to how you will go about solving this.
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The Indian Administrative Service is the administrative arm of the All India Services of Government of India. Considered the premier civil service of India, the IAS is one of the three arms of the All India Services along with the Indian Police Service and the Indian Forest Service.
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