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      Question

      What number has to be added to each term of 3:5 to make

      the ratio 6:7?
      A 9 Correct Answer Incorrect Answer
      B 5 Correct Answer Incorrect Answer
      C 7 Correct Answer Incorrect Answer
      D 11 Correct Answer Incorrect Answer

      Solution

      Let the number to be added be x. According to the question, => (3+x)/(5 + x) = 6/7 => 21 + 7x = 30 + 6x => x = 9

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