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    Question

    The ratio of age of A and his son is 7:3. If the

    difference of their ages 5 year ago is 28, then find the sum of ages of A and his son 8 year hence.
    A 86 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 7x and 3x respectively. => 7x – 3x = 28 ∴  x = 7 Required sum = 10 × 7 + 16 = 86 years

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