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      Question

      The present ages of a father and son are in the ratio 

      7 : 2 . After  6 years , the father’s age will be  3 times  the son’s age. What is the father’s present age?
      A 69 yrs Correct Answer Incorrect Answer
      B 84 yrs Correct Answer Incorrect Answer
      C 50 yrs Correct Answer Incorrect Answer
      D 77 yrs Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let present ages be 7x and 2x After 6 years: 7x + 6 = 3(2x + 6) 7x + 6 = 6x + 18 x = 12 Father’s present age = 7x = 84 years

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