7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-8

  • question_answer
    Find the mean of following distribution.
    x 10 15 20 25 30 35 40
    f 7 7 13 15 7 4 4

    A)  23.4482           

    B)  23.34

    C)  23.48              

    D)  23.55

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available   


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