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    Question

    3 years ago, the average age of a family of 5 members

    was 17 years. A baby being born, the average age of the family is 17 years. The present age of the baby is:
    A 5 years Correct Answer Incorrect Answer
    B 3 years Correct Answer Incorrect Answer
    C 2 years Correct Answer Incorrect Answer
    D 4 years Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total age of 5 members now = (17 * 5 + 3 * 5) years = 100 years. Total age of 6 members now = (17 * 6) years = 102 years. Age of the baby = (102 - 100) years = 2 years.

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