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      Question

      The ratio of zinc and copper in a brass pieces is 2:7.

      How much zinc will be there in 180 kg of such a piece?
      A 70 kg Correct Answer Incorrect Answer
      B 60 kg Correct Answer Incorrect Answer
      C 50 kg Correct Answer Incorrect Answer
      D 40 kg Correct Answer Incorrect Answer

      Solution

      Amount of zinc = 180 × (2/9) kg = 40 kg

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