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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-5

  • question_answer
    If the mean of the following frequency distribution is 54, then find the value of P.
    Class Interval Frequency
    0 ? 20 7
    20 ? 40 P
    40 ? 60 10
    60 ? 80 9
    80 ? 100 13

    A)  P = 8              

    B)  P = 9

    C)  P = 10            

    D)  P = 11

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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