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9th Class Mathematics Statistics Question Bank Self Test-11

  • question_answer
    The following table shows marks obtained by students in an examination of mathematics paper:
    Marks 0-10 10-20 20-30 30-40 40-50
    No. of Students 10 24 40 46 20

    A)  28.5

    B)  27.5

    C)  29.00

    D)  28.00

    E)  None of these

    Correct Answer: D

    Solution :

       


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