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: The pie- chart shows Distribution of Special Children Population during the year 1994-96. Study the pie-chart and answer the following questions.

  1. Find the approximate percentage distribution of children with auditory disorder.








  1. View Hint View Answer Discuss in Forum

    According to given pie chart in question ,
    Total number of children = 871 + 222 + 275 + 657 + 60 = 2085
    Number of children with auditory disorder = 871

    ∴ Required percent =
    Number of children with auditory disorder
    		 × 100 %
    Number of children with auditory disorder

    Correct Option: C

    According to given pie chart in question ,
    Total number of children = 871 + 222 + 275 + 657 + 60 = 2085
    Number of children with auditory disorder = 871

    ∴ Required percent =
    Number of children with auditory disorder
    		 × 100 %
    Number of children with auditory disorder

    ∴ Required percent =
    871
    		 × 100 ≈ 41.7%
    2085

Direction: Read the following pie–charts carefully to answer the questions.

  1. What is the ratio of the average number of sale of English newspapers in localities B and D together to the average sale of Hindi newspapers in all the localities?








  1. View Hint View Answer Discuss in Forum

    On the basis of given pie chart in question ,
    Sum of sale of English newspapers from the localities B and D = 2000 + 3000 = 5000
    Sum of sale of Hindi newspapers in all five the localities = 3500 + 2400 + 3600 + 2500 + 4000 = 16000
    Required ratio = Average of sale of English newspapers from the localities B and D : Average of sale of Hindi newspapers in all five the localities

    Correct Option: A

    On the basis of given pie chart in question ,
    Sum of sale of English newspapers from the localities B and D = 2000 + 3000 = 5000
    Sum of sale of Hindi newspapers in all five the localities = 3500 + 2400 + 3600 + 2500 + 4000 = 16000
    Required ratio = Average of sale of English newspapers from the localities B and D : Average of sale of Hindi newspapers in all five the localities

    Required ratio =
    5000
    		 :
    16000
    25

    Required ratio = 2500 : 3200 = 25 : 32

  1. What is the ratio of average number of English newspapers from the localities B, C and E to the average number of Hindi newspapers from the localities A and D ?








  1. View Hint View Answer Discuss in Forum

    As per the given pie chart in question ,
    Sum of English newspapers from the localities B, C and E = 2000 + 1800 + 200 = 4000
    Sum of Hindi newspapers from the localities A and D = 2500 + 3000 = 5500
    Required ratio = Average of English newspapers from the localities B, C and E : Average of Hindi newspapers from the localities A and D

    Required ratio =
    (2000 + 1800 + 200)
    		:
    (2500 + 3000)
    32

    Correct Option: C

    As per the given pie chart in question ,
    Sum of English newspapers from the localities B, C and E = 2000 + 1800 + 200 = 4000
    Sum of Hindi newspapers from the localities A and D = 2500 + 3000 = 5500
    Required ratio = Average of English newspapers from the localities B, C and E : Average of Hindi newspapers from the localities A and D

    Required ratio =
    (2000 + 1800 + 200)
    		:
    (2500 + 3000)
    32

    Required ratio =
    4000
    		 :
    5500
    32

    Required ratio =
    8
    		 :
    11
    		 = 16 : 33
    32

  1. What is the approximate sum of the ratios of sales of English and Hindi newspapers in all localities?








  1. View Hint View Answer Discuss in Forum

    According to given pie chart in question ,
    Total sales of English News Papers in all five localities = 2500 + 2000 + 1800 + 3000 + 200 = 9500
    Total sales of Hindi News Papers in all five localities = 3500 + 2400 + 3600 + 2500 + 4000 = 16000
    Ratio = Total sales of Hindi News Papers in all five localities : Total sales of English News Papers in all five localities

    Correct Option: A

    According to given pie chart in question ,
    Total sales of English News Papers in all five localities = 2500 + 2000 + 1800 + 3000 + 200 = 9500
    Total sales of Hindi News Papers in all five localities = 3500 + 2400 + 3600 + 2500 + 4000 = 16000
    Ratio = Total sales of Hindi News Papers in all five localities : Total sales of English News Papers in all five localities
    Ratio = 16000 : 9500 = 32 : 19
    Required sum = 32 + 19 = 51

  1. What is the central angle corresponding to the sale of Hindi newspapers in locality E?








  1. View Hint View Answer Discuss in Forum

    As per the given pie chart in question ,
    Sales of Hindi News Papers in locality E = 4000
    Total sales of Hindi News Papers = 3500 + 2400 + 3600 + 2500 + 4000 = 16000

    Required central angle =
    Sales of Hindi News Papers in locality E
    		 × 360°
    Total sales of Hindi News Papers

    Correct Option: B

    As per the given pie chart in question ,
    Sales of Hindi News Papers in locality E = 4000
    Total sales of Hindi News Papers = 3500 + 2400 + 3600 + 2500 + 4000 = 16000

    Required central angle =
    Sales of Hindi News Papers in locality E
    		 × 360°
    Total sales of Hindi News Papers

    Required central angle =
    4000
    		× 360° = 90°
    16000