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 following graph which shows income and expenditure of a company over the years 2005 – 2009 and answer the questions.

  1. Profit of the company was maximum in the year








  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Profit of company = Income - Expenditure
    Profit of company in year 2005 ⇒ 40 – 30 = Rs. 10 crore
    Profit of company in year 2006 ⇒ 60 - 35 = Rs. 25 crore
    Profit of company in year 2007 ⇒ 50 - 40 = 10 crore
    Profit of company in year 2008 ⇒ 65 – 50 = Rs. 15
    Profit of company in year 2009 ⇒ 70 – 60 = Rs. 10 crore

    Correct Option: C

    On the basis of given graph in question ,
    Profit of company = Income - Expenditure
    Profit of company in year 2005 ⇒ 40 – 30 = Rs. 10 crore
    Profit of company in year 2006 ⇒ 60 - 35 = Rs. 25 crore
    Profit of company in year 2007 ⇒ 50 - 40 = 10 crore
    Profit of company in year 2008 ⇒ 65 – 50 = Rs. 15
    Profit of company in year 2009 ⇒ 70 – 60 = Rs. 10 crore
    Hence , Profit of the company is maximum in the year 2006 .

  1. The percentage increase in expenditure of the company from 2007 to 2008 is








  1. View Hint View Answer Discuss in Forum

    From the given bar diagram , we see
    Expenditure of the company in 2007 = Rs. 40 crores
    Expenditure of the company in 2008 = Rs. 50 crores
    Increase in expenditure = 50 - 40 = Rs. 10 crores

    Required percent increase =
    Increase in expenditure
    		 × 100
    Expenditure of the company in 2007

    Correct Option: B

    From the given bar diagram , we see
    Expenditure of the company in 2007 = Rs. 40 crores
    Expenditure of the company in 2008 = Rs. 50 crores
    Increase in expenditure = 50 - 40 = Rs. 10 crores

    Required percent increase =
    Increase in expenditure
    		 × 100
    Expenditure of the company in 2007

    Required percent increase =
    10 × 100
    		 = 25%
    40

  1. In how many years was the income of the company less than the average income of the given years?








  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Total income of the given years = 40 + 60 + 50 + 65 + 70 = 285
    Number of given years = 5

    Average income of company =
    Total income of the given years
    Number of given years

    Average income of company =
    285
    		 = Rs. 57 crore
    5

    Correct Option: C

    On the basis of given graph in question ,
    Total income of the given years = 40 + 60 + 50 + 65 + 70 = 285
    Number of given years = 5

    Average income of company =
    Total income of the given years
    Number of given years

    Average income of company =
    285
    		 = Rs. 57 crore
    5

    Required years ⇒ 2005 and 2007

  1. The difference in profit (Rs. in crores) of the company during 2006 and 2007 is








  1. View Hint View Answer Discuss in Forum

    From the given bar diagram , we see
    Profit of company in year 2006 = Income - Expenditure
    Profit of company in year 2006 ⇒ 60 – 35 = Rs. 25 crore
    Profit of company in year 2007 = Income - Expenditure
    Profit of company in year 2007 ⇒ 50 – 40 = Rs. 10 crore
    Required Difference = Profit of company in year 2006 - Profit of company in year 2007

    Correct Option: B

    From the given bar diagram , we see
    Profit of company in year 2006 = Income - Expenditure
    Profit of company in year 2006 ⇒ 60 – 35 = Rs. 25 crore
    Profit of company in year 2007 = Income - Expenditure
    Profit of company in year 2007 ⇒ 50 – 40 = Rs. 10 crore
    Required Difference = Profit of company in year 2006 - Profit of company in year 2007
    Required Difference = 25 – 10 = Rs. 15 crore

Direction: The following bar chart represents the number of first year B. Com. students of St Xavier’s College using different companies’ smartphones. Study bar chart and answer the questions.

  1. The difference between the total number of students using smartphones of Samsung combined together and the total number of students using smartphones of Sony taken together is








  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Total number of students using smartphones of Samsung = 180 + 100 = 280
    Total number of students using smartphones of Sony
    = 160 + 60 = 220
    Required difference = Total number of students using smartphones of Samsung - Total number of students using smartphones of Sony

    Correct Option: B

    On the basis of given graph in question ,
    Total number of students using smartphones of Samsung = 180 + 100 = 280
    Total number of students using smartphones of Sony
    = 160 + 60 = 220
    Required difference = Total number of students using smartphones of Samsung - Total number of students using smartphones of Sony
    ∴ Required difference = 280 – 220 = 60