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      Question

      If the total ages of A and B is 12 years more than the

      total age of B and C. C is how many years younger than A?
      A 10 Correct Answer Incorrect Answer
      B 15 Correct Answer Incorrect Answer
      C 12 Correct Answer Incorrect Answer
      D Cannot be determined Correct Answer Incorrect Answer

      Solution

      Let the age of A, B and C be x, y and z respectively. Then, according to question, => (x + y) – (y + z) = 12 =>Β x + y – y - z = 12 =>Β x - z = 12 Thus, C is 12 years younger than A.

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