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    Question

    2 years ago, the average age of the family of 3 members

    is 13 years. A baby is born now; the average age of the family is same as before. Find the age of the baby?
    A 3 yrs Correct Answer Incorrect Answer
    B 5 yrs Correct Answer Incorrect Answer
    C 2 yrs Correct Answer Incorrect Answer
    D 7 yrs Correct Answer Incorrect Answer

    Solution

    The total present age of the family of 3 members = (13 x 3) + (2 x 3) = 45 A baby is born now; the average age of the family is same as before. The total present age of the family of 4 members (Including the baby) = 13 x 4 = 52 The age of the baby = 52 – 45 = 7 years

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