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    Question

    Average age of a Father and his son Is 22 years. Ratio

    of their age is 10 : 1, what is the age of the son?
    A 24 years Correct Answer Incorrect Answer
    B 4 years Correct Answer Incorrect Answer
    C 40 years Correct Answer Incorrect Answer
    D 6 years Correct Answer Incorrect Answer

    Solution

    The average age of father and his son = 22 years. Total age of father and his son = 2 x 22 = 44 years. The ratio of age of father and his son = 10 : 1 Suppose the age of son is A years Therefore, age of father = 10A years According to question, (10P + A)/2 = 22 11A = 44   A = 4 Age of son = 4 years

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