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      Question

      How many kilogram of rice costing Rs.60 per kg must be

      mixed with 24 kg of rice costing Rs.42 per kg so that there may be a gain of 12% by selling the mixture at Rs.56 per kg?
      A 22 kg Correct Answer Incorrect Answer
      B 20 kg Correct Answer Incorrect Answer
      C 19.2 kg Correct Answer Incorrect Answer
      D 21.2 kg Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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