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      Question

      A, B and C are three boxes containing marbles in the

      ratio 3 : 5 : 7, and the total number of marbles is 75. If 3 marbles are transferred from B to A, and 5 marbles are transferred from C to B, then the new ratio of the marbles is:
      A 6 : 8 : 11 Correct Answer Incorrect Answer
      B 5 : 6 : 7 Correct Answer Incorrect Answer
      C 7 : 9 : 10 Correct Answer Incorrect Answer
      D 6 : 9 : 10 Correct Answer Incorrect Answer

      Solution

      The correct answer is D

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