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7th Class Mental Ability Data Handling Question Bank Data Handling

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    Study, the bar chart and answer the questions based on it.
    Production of fertilizers by a company (in 10,000 tonnes) over the Years is shown in the following bar chart:
    In how many of the given years was the production of fertilizers more than the average production of the given years?

    A) 1                     

    B)   2           

    C) 3             

    D)               4

    E) None of these

    Correct Answer: D

    Solution :

    Explanation Average production (in 10,000 tonnes) over the given years \[=\,\,\frac{1}{8} \left( 25 + 40 + 60 + 45 + 65 + 50 + 75 + 80 \right) = 55\]\[\therefore \] The productions during the years 1997, 1999, 2001 and 2002 are more than the average production.


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