Introduction to Data Interpretation

Introduction to Data Interpretation

Easy Questions
Moderate Questions
Difficult Questions

Data Interpretation

Introduction to Data Interpretation
Table chart
Line chart
Pie chart
Bar graph
Mixed Graph
Data Sufficiency

Direction: Study the bar diagram and answer the questions.

  1. The percentage of the boys from Biology Department compared to the total number of boys from all the Departments together is








  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Boys in Biology = 220
    Total number of boys = 60 + 220 + 100 + 160 + 120 = 660

    Required answer =
    Boys in Biology
    		 × 100
    Total number of boys

    Correct Option: C

    On the basis of given graph in question ,
    Boys in Biology = 220
    Total number of boys = 60 + 220 + 100 + 160 + 120 = 660

    Required answer =
    Boys in Biology
    		 × 100
    Total number of boys

    ∴ Required percentage =
    220
    		× 100 =
    100
    		= 33
    1
    		%
    66033

  1. The average number of boys from all the departments together is








  1. View Hint View Answer Discuss in Forum

    From the given bar diagram , we see
    Total number of boys from all the departments = 60 + 200 + 100 + 160 + 120 = 660
    Number of departments = 5

    Average number of boys =
    660
    5

    Correct Option: B

    From the given bar diagram , we see
    Total number of boys from all the departments = 60 + 200 + 100 + 160 + 120 = 660
    Number of departments = 5

    Average number of boys =
    660
    		= 132
    5

  1. The difference between the total number of boys and the total number of girls from all the Departments together is








  1. View Hint View Answer Discuss in Forum

    As per the given bar graph , we have
    Total number of boys = 60 + 220 + 100 + 160 + 120 = 660
    Total number of girls = 1100
    Required difference = Total number of girls - Total number of boys

    Correct Option: D

    As per the given bar graph , we have
    Total number of boys = 60 + 220 + 100 + 160 + 120 = 660
    Total number of girls = 1100
    Required difference = Total number of girls - Total number of boys
    Required difference = 1100 – 660 = 440

  1. The percentage of the girls from Biology Department compared to the total number of girls from all the other Departments together is








  1. View Hint View Answer Discuss in Forum

    As per the given bar graph , we have
    Girls in Biology = 300
    Girls in all other departments = 140 + 180 + 260 + 220 = 800

    ∴ Required percentage =
    300
    		× 100
    800

    Correct Option: A

    As per the given bar graph , we have
    Girls in Biology = 300
    Girls in all other departments = 140 + 180 + 260 + 220 = 800

    ∴ Required percentage =
    300
    		× 100
    800

    Required percentage =
    75
    		= 37
    1
    		%
    22

Direction: Sales of Books (in thousand numbers) from Six Branches – B1, B2, B3, B4, B5 and B6 of a publishing Company in 2000 and 2001. Study the graph and answer the questions.

  1. Find the percentage increase in the sales of books of branch B3 in the year 2001 than the branch B2.








  1. View Hint View Answer Discuss in Forum

    From the given bar diagram , we see
    The sales of books of branch B3 in the year 2001 = 110 thousands
    The sales of books of branch B2 in the year 2001 = 65 thousands

    Required percentage =
    (110 - 65)
    		× 100
    65

    Correct Option: A

    From the given bar diagram , we see
    The sales of books of branch B3 in the year 2001 = 110 thousands
    The sales of books of branch B2 in the year 2001 = 65 thousands

    Required percentage =
    (110 - 65)
    		× 100
    65

    Required percentage =
    45 × 100
    		= 69.2%
    65