Bar graph

Bar graph

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Data Interpretation

Introduction to Data Interpretation
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Data Sufficiency

Direction: The bar graph given below shows annual result of different classes of a school. Study the graph carefully and attempt the question that follow:

  1. In which class pass percentage of boys is more than the average pass percentage of girls of the school?








  1. View Hint View Answer Discuss in Forum

    Average pass percentage of girls = Total number of pass girls in school/7

    Correct Option: A

    Average pass percentage of girls = Total number of girls for pass the class/7
    Average pass percentage of girls = 80 + 80 + 40 + 90 + 80 + 50 + 70/7 = 490/7 = 70%
    Therefore. in class VI pass percentage of boys is more than the average pass percentage of girls.

Direction: The following bar chart shows the amount accrued from additional taxation by the government during certain successive years. Study the chart carefully and answer the questions that follow:

  1. What is the average amount of taxation during all these years?








  1. View Hint View Answer Discuss in Forum

    Average of the total taxation during the years = total taxation for all the years / 6.

    Correct Option: C

    Average of the total taxation during the years = total taxation for all the years / 6.
    Average of the total taxation during the years = 600 + 725 + 1260 + 1730 + 2400 + 625 = 7390/6 = 1231.7 crores

  1. Between the years 2005-06 and 2006-07 the taxation was increased by:








  1. View Hint View Answer Discuss in Forum

    Increase in taxation in between the financial years 2005-06 and 2006-07.

    Correct Option: A

    Increase in taxation in between the financial years 2005-06 and 2006-07
    = Rs. (2400 - 1730) = RS. 670 crores

  1. Percentage decrease in taxation in between the years 2006-7 and 2007-08 was:








  1. View Hint View Answer Discuss in Forum

    Percentage of total decrease in taxation between the years 2006-07 and 2007-08.

    Correct Option: A

    Percentage of total decrease in taxation between the years 2006-07 and 2007-08
    = (2400 - 675/ 2400 x 100 = 1725 x 100/ 2400 = 71.8%

  1. Total increase in taxation was how much percent between the years 2004-05 and 2005-06?








  1. View Hint View Answer Discuss in Forum

    Percentage of total increase = (1730 - 1260)/ 1260 x 100

    Correct Option: A

    Percentage of total increase = (1730 - 1260)/ 1260 x 100 = 470 x 100/ 1260 = 37.3%