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      Question

      In two alloys, the ratio of iron and copper is 4: 3 and

      6: 1, respectively. If 28 kg of the first alloy and 56 kg of the second alloy is mixedΒ  Β 
      A 15:11 Correct Answer Incorrect Answer
      B 16:5 Correct Answer Incorrect Answer
      C 4:15 Correct Answer Incorrect Answer
      D 2:7 Correct Answer Incorrect Answer

      Solution

      =16:5

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