Introduction to Data Interpretation


Direction: Study the pie-chart and answer the questions. The pie-chart given below shows the expenditure incurred in bringing out a book by a publisher.

  1. If the cost of printing is $ 16,800, the royalty is :









  1. View Hint View Answer Discuss in Forum

    As per the given pie chart in question ,
    The cost of printing = $ 16,800
    Corresponding percentage of printing = 42%
    Corresponding percentage of royalty = 12%
    ∵ 42% ≡ $ 16800


    1% =
    16800
    42

    Correct Option: C

    As per the given pie chart in question ,
    The cost of printing = $ 16,800
    Corresponding percentage of printing = 42%
    Corresponding percentage of royalty = 12%
    ∵ 42% ≡ $ 16800


    1% =
    16800
    42

    ∴ 12% ≡ $16800 × 12 = $ 4800
    42


  1. What is the central angle showing the cost of paper?









  1. View Hint View Answer Discuss in Forum

    From the above given in pie chart ,
    Corresponding percentage of paper = 16%
    ∵ 100% ≡ 360°

    ∴ 1% ≡
    360°
    100

    Correct Option: D

    From the above given in pie chart ,
    Corresponding percentage of paper = 16%
    ∵ 100% ≡ 360°

    ∴ 1% ≡
    360°
    100

    ∴ 16% ≡
    360°
    × 16 = 57.6°
    100


Direction: The pie– chart, given here shows monthly expenses on various heads and savings of the family of Mr. Rao. Study the chart and answer the questions based on it.

  1. What percent of his income, does Mr. Rao spend on clothing, transport and entertainment combined together?









  1. View Hint View Answer Discuss in Forum

    According to given pie chart in question ,
    Corresponding angle for clothing, transportation and entertainment = 18° + 14° + 13° = 45°
    ∵ 360° ≡ 100%


    1° =
    100
    360

    Correct Option: D

    According to given pie chart in question ,
    Corresponding angle for clothing, transportation and entertainment = 18° + 14° + 13° = 45°
    ∵ 360° ≡ 100%


    1° =
    100
    360

    ∴ 45° ≡
    100
    × 45 =
    25
    = 12.5%
    3602


  1. If the total income of Mr. Rao is $72000, how much house rent does he pay?









  1. View Hint View Answer Discuss in Forum

    On the basis of given pie chart in question ,
    Corresponding angle for rent = 54°
    Total income of Mr. Rao = $72000
    ∵ 360° ≡ $ 72000


    1° =
    72000
    360


    Correct Option: C

    On the basis of given pie chart in question ,
    Corresponding angle for rent = 54°
    Total income of Mr. Rao = $72000
    ∵ 360° ≡ $ 72000


    1° =
    72000
    360

    ∴ 54° ≡ $72000 × 54 = $ 10800
    360


  1. What percent of his income does Mr. Rao save?









  1. View Hint View Answer Discuss in Forum

    As per the given pie chart in question ,
    Central angle for savings = 108°
    ∵ 360° ≡ 100%


    1° =
    100
    360

    Correct Option: B

    As per the given pie chart in question ,
    Central angle for savings = 108°
    ∵ 360° ≡ 100%


    1° =
    100
    360

    ∴ 108° ≡ 100 × 108 % = 30%
    360