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9th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    Direction: Study the bar diagram and answer the questions.
    The average number of boys from ail the departments together is

    A)  123                             

    B)  12

    C)  134                             

    D)  142

    Correct Answer: B

    Solution :

    (b): Average number of boys \[=\frac{660}{5}=132\]


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