Question

    A family consists of grandparents, parents and two

    grandchildren. The average age of the grandparents is 69 years, that of the parents is 39 years, and that of the  grandchildren is 9 years. What is the average age (in years) of the family?  
    A 39 Correct Answer Incorrect Answer
    B 37 Correct Answer Incorrect Answer
    C 35 Correct Answer Incorrect Answer
    D 41 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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