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    Question

    Ratio of present ages of A and B is 6:7, respectively. C

    who is 4 years older than A will become 40 years older after 12 years. Find the present age of B.
    A 25 years Correct Answer Incorrect Answer
    B 27 years Correct Answer Incorrect Answer
    C 28 years Correct Answer Incorrect Answer
    D 20 years Correct Answer Incorrect Answer

    Solution

    Let, present ages of A and B be β€˜6x’ years and β€˜7x’ years respectively. So, 6x + 4 = 40 – 12 6x = 24 x = 4 Present age of B = 7x = 28 years

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