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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-18

  • question_answer
    The mean of 18 items was found to be 25. On rechecking it was found that two items were wrongly taken as 23 and 20 instead of 26 and 30, respectively. The correct mean is _________.

    A)  25.60              

    B)  25.32

    C)  25.72

    D)  25.52

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available               


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