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

    Question

    The ratio of age of ‘B’ after 6 years from now and

    age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of the present age of ‘A’. If present age of ‘A’ is 50 years then find the present age of ‘B’.
    A 22 years Correct Answer Incorrect Answer
    B 20 years Correct Answer Incorrect Answer
    C 21 years Correct Answer Incorrect Answer
    D 24 years Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Present age of ‘C’ = 0.4 × 50 = 20 years 4 years ago from now, age of ‘C’ = 20 – 4 = 16 years 6 years hence from now, age of ‘B’ = 16 × (7/4) = 28 years Present age of ‘B’ = 28 – 6 = 22 years

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