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

    Question

    The ratio of age of ‘B’ after 3 years from now and

    age of ‘C’ 6 years ago from now is 7:4, respectively. The present age of ‘C’ is 30% of the present age of ‘A’. If present age of ‘A’ is 60 years then find the present age of ‘B’.
    A 18 years Correct Answer Incorrect Answer
    B 15 years Correct Answer Incorrect Answer
    C 12 years Correct Answer Incorrect Answer
    D 11 years Correct Answer Incorrect Answer

    Solution

    Present age of ‘C’ = 0.3 × 60 = 18 years 6 years ago from now, age of ‘C’ = 18 – 6 = 12 years 3 years hence from now, age of ‘B’ = 12 × (7/4) = 21 years Present age of ‘B’ = 21 – 3 = 18 years

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