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9th Class Mathematics Statistics Question Bank Statistics

  • question_answer

    DIRECTIONS (Qs. 8 - 12): Read the following graph and answer the questions given below:    

    What are the average marks obtained by the student?

    A) 57        

    B) 63

    C) 80                   

    D) 48

    Correct Answer: A

    Solution :

    Total marks \[=55+90+40+80+20=285.\] \[\therefore \]Average \[=\frac{285}{5}=57.\]                      


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