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      Question

      135 kg of an alloy A is mixed with 72 kg of alloy B  to

      get a new alloy. A has zinc and copper in the ratio 4 : 5 and alloy B has zinc and copper in ratio 7 : 5, then what is the weight of zinc in the new alloy?
      A 102 Kg Correct Answer Incorrect Answer
      B 115 Kg Correct Answer Incorrect Answer
      C 85 Kg Correct Answer Incorrect Answer
      D 92 Kg Correct Answer Incorrect Answer

      Solution

      The correct answer is A

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