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      Question

      The price of a variety of a commodity is 7/kg and that

      of another is 12/kg. Find the ratio in which two varieties should be mixed so that the price of the mixture is 10/kg.
      A 4 : 5 Correct Answer Incorrect Answer
      B 2 : 3 Correct Answer Incorrect Answer
      C 2 : 5 Correct Answer Incorrect Answer
      D 3 : 4 Correct Answer Incorrect Answer

      Solution

      The correct answer is B

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