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    Question

    FatherтАЩs age : SonтАЩs age = 5 : 2. After 12 years,

    ratio becomes 7 : 4. Find present ages.
    A Father = 70 years, Son = 15 years Correct Answer Incorrect Answer
    B Father = 30 years, Son = 12 years Correct Answer Incorrect Answer
    C Father = 50 years, Son = 22 years Correct Answer Incorrect Answer
    D Father = 30 years, Son = 5 years Correct Answer Incorrect Answer

    Solution

    ATQ, Father = 5x, Son = 2x (5x+12)/(2x+12) = 7/4 20x+48 = 14x+84 => 6x=36 => x=6 Father = 30, Son = 12 Answer: Father = 30 years, Son = 12 years

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