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    Question

    The ratio of age of A and his son is 5:2. If the

    difference of their ages 4 year ago is 21, then find the sum of ages of A and his son 9 year hence? TYPE 44
    A 67 years Correct Answer Incorrect Answer
    B 68 years Correct Answer Incorrect Answer
    C 70 years Correct Answer Incorrect Answer
    D 72 years Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the present age of Raman and his son be 5x and 2x respectively. => 5x – 2x = 21 ∴  x = 7 Required sum = 7 × 7 + 18 = 67 years

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