New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The ratio of age of A and his son is 9:2. If the

    difference of their ages 7 year ago is 21, then find the sum of ages of A and his son 13 year hence?
    A 85 years Correct Answer Incorrect Answer
    B 76 years Correct Answer Incorrect Answer
    C 59 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 9x and 2x respectively. => 9x – 2x = 21 ∴  x = 3 Required sum = 11 × 3 + 26 = 59 years

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