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    Question

    The average age of a group of 10 persons is found

    to be 25 years. Later it is found that age of two of the persons is calculated as 41 and 60 instead of 55 and 16. Find the correct average age of the group.
    A 28 years Correct Answer Incorrect Answer
    B 25 years Correct Answer Incorrect Answer
    C 29 years Correct Answer Incorrect Answer
    D 22 years Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Required average = {(10 × 25) – 41 – 60 + 55 + 16}/10 = 22 years

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