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 table and answer the questions:
The table given below shows the highest and average marks of a class in four subjects in four years. The maximum marks in each subject are 100.

  1. Supposing that there were 40 students in science in the year 1995, how much total of marks did they receive combined together?








  1. View Hint View Answer Discuss in Forum

    On the basis of given table in question ,
    Average marks of science in 1995 = 68
    Number of students in science in the year 1995 = 40
    Total marks = Average marks of science in 1995 × Number of students in science

    Correct Option: B

    On the basis of given table in question ,
    Average marks of science in 1995 = 68
    Number of students in science in the year 1995 = 40
    Total marks = Average marks of science in 1995 × Number of students in science
    ∴ Total marks = 68 × 40 = 2720

  1. What is the overall average of marks in the four subjects in the year 1995?








  1. View Hint View Answer Discuss in Forum

    As per the given above table , we can see
    Total average of marks in the four subjects in the year 1995 = 56 + 68 + 68 + 48 = 240
    Number of given subjects = 4

    Required average of marks in 1995 =
    Total average of marks in the four subjects in the year 1995
    Number of given subjects

    Correct Option: D

    As per the given above table , we can see
    Total average of marks in the four subjects in the year 1995 = 56 + 68 + 68 + 48 = 240
    Number of given subjects = 4

    Required average of marks in 1995 =
    Total average of marks in the four subjects in the year 1995
    Number of given subjects

    Required average of marks in 1995 =
    240
    		= 60
    4

Direction: Study the following table and answer the questions based on it :

  1. The percent increase in the gross profit was the maximum in which year as compared to the previous one?








  1. View Hint View Answer Discuss in Forum

    According to given table, we have

    Percentage increase in the year 1992 =
    (149.9 - 134.3)
    		 ×100
    134.3

    Percentage increase in the year 1992 =
    15.6 × 100
    		= 11.6%
    134.3

    Percentage increase in the year 1993 =
    (160.5 - 149.5)
    		×100
    149.9

    Percentage increase in the year 1993 =
    10.6 × 100
    		= 7%
    149.5

    Correct Option: D

    According to given table, we have

    Percentage increase in the year 1992 =
    (149.9 - 134.3)
    		 ×100
    134.3

    Percentage increase in the year 1992 =
    15.6 × 100
    		= 11.6%
    134.3

    Percentage increase in the year 1993 =
    (160.5 - 149.5)
    		×100
    149.9

    Percentage increase in the year 1993 =
    10.6 × 100
    		= 7%
    149.5

    Percentage increase in the year 1994 =
    (203.3 - 160.5)
    		×100
    160.5

    Percentage increase in the year 1994 =
    42.8 × 100
    		= 26.6%
    160.5

    Note : It is not necessary to calculate percentage increase for every year. It can be inferred easily from the data given in the table.

  1. Which years show increase in all categories simultaneously i.e., total sales, gross profit and net profit as compared to the previous year?








  1. View Hint View Answer Discuss in Forum

    On the basis of given table in question ,
    Total profit in 1992 = 380.1 lakhs
    Total profit in 1993 = 439.7 lakhs
    Total profit in 1994 = 485.9 lakhs ;
    Gross profit in 1992 = 149.9 lakhs
    Gross profit in 1993 = 160.5 lakhs
    Gross profit in 1994 = 203.3 lakhs ;
    Net Profit in 1992 = 38.9 lakhs
    Net Profit in 1993 = 50.3 lakhs
    Net Profit in 1994 = 65.8 lakhs

    Correct Option: A

    On the basis of given table in question ,
    Total profit in 1992 = 380.1 lakhs
    Total profit in 1993 = 439.7 lakhs
    Total profit in 1994 = 485.9 lakhs ;
    Gross profit in 1992 = 149.9 lakhs
    Gross profit in 1993 = 160.5 lakhs
    Gross profit in 1994 = 203.3 lakhs ;
    Net Profit in 1992 = 38.9 lakhs
    Net Profit in 1993 = 50.3 lakhs
    Net Profit in 1994 = 65.8 lakhs
    From above it is clear that 1993 and 1994 both years are required answer .

  1. The total sales in 1993 is approximately what percent of the total sales of 1990?








  1. View Hint View Answer Discuss in Forum

    According to given table, we have
    Total sales in 1993 = $ 439.7 lakhs
    Total sales in 1990 = $ 351.6 lakhs

    ∴ Required percentage ≈
    439.7
    		 × 100 %
    351.6

    Correct Option: D

    According to given table, we have
    Total sales in 1993 = $ 439.7 lakhs
    Total sales in 1990 = $ 351.6 lakhs

    ∴ Required percentage ≈
    439.7
    		 × 100 %
    351.6

    Required percentage ≈
    440
    		 × 100 ≈ 125%
    350