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9th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    Direction: Study the bar diagram and answer the questions.
    The percentage of the girls from Social Science department? compared to (he total number of girls from all the other departments together is

    A)  28.4                            

    B)  27

    C)  26                             

    D)  27.4

    Correct Answer: D

    Solution :

    (d): Girls in Social Science = 300 Girls in all other departments \[=120+280+180+240+200=1020\] \[\therefore \]Required percentage \[=\frac{280}{1020}=27.4\]


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