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    Question

    The ratio of age of ‘A’ 6 years ago to the age of

    ‘B’ 4 years hence from now is 2 : 3. If the sum of their present ages is 48 years, then find the age of ‘B’ 2 years ago from now.
    A 20 years Correct Answer Incorrect Answer
    B 22 years Correct Answer Incorrect Answer
    C 24 years Correct Answer Incorrect Answer
    D 26 years Correct Answer Incorrect Answer

    Solution

    Let the present ages of ‘A’ and ‘B’ be ‘p’ years and ‘q’ years respectively. Then,
    p + q = 48 Or,
    q = 48 − p ATQ, [{(p - 6)}/{(q + 4)} = {2/3}] Or,
    3(p − 6) = 2(q + 4) Or,
    3p − 18 = 2q + 8 Or,
    3p − 2q = 26 Or,
    3p − 2(48 − p) = 26 Or,
    3p − 96 + 2p = 26 Or,
    5p = 122 Or,
    p = 24 Or,
    q = 48 − 24 = 24 Therefore, age of ‘B’ 2 years ago from now = 24 − 2 = 22 years

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