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Bulbs Producing Machines
10 machines are producing bulbs. weight of each bulb from each machine is 10gms say. But due to some manufacturing fault, 1 machine out of 10 machines is producing 11gm bulb. You don't have physical balance to measure. How can you will find it out, which machine is producing 11gm bulb.If you are saying 5th machine - then prove itIf you are saying 6th machine - prove it.