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    Question

    If the sum of the ages of a father and his son is 60

    years and the difference of their ages is 30 years, what is the father's age?
    A 50 years Correct Answer Incorrect Answer
    B 30 years Correct Answer Incorrect Answer
    C 45 years Correct Answer Incorrect Answer
    D 60 years Correct Answer Incorrect Answer

    Solution

    Let the father's age be F and the son's age be S. F + S = 60 and F - S =30 . Solving these equations, F=45 and  S=15.

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