5. In an alloy, ratio of copper and zinc is 7: 2.If bell of weight 45 – InterviewSolution

1.	5. In an alloy, ratio of copper and zinc is 7: 2.If bell of weight 45 kg is made from this alloywhat quantity of copper will be used?
Answer» let the ratio be xcopper will be 7xzinc will be 2xTotal weight = 45 kg7x + 2x = 45 9x = 45x = 45/9x = 5so copper weight will be 7×5 = 35 kg

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