Introduction to Data Interpretation


Direction: The production figures of a perfume manufacturer are given in the form of percentage in sub-divided bar diagram. Study the diagram and answer the questions.

  1. What is the ratio of percentage production of rose perfume during 1995 to that during the year 1997?









  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Percentage production of rose perfume in 1995 = 45%
    Percentage production of rose perfume in 1997 = 30%
    ∴ Required ratio = Percentage production of rose perfume in 1995 : Percentage production of rose perfume in 1997

    Correct Option: B

    On the basis of given graph in question ,
    Percentage production of rose perfume in 1995 = 45%
    Percentage production of rose perfume in 1997 = 30%
    ∴ Required ratio = Percentage production of rose perfume in 1995 : Percentage production of rose perfume in 1997
    Required ratio = 45 : 30 = 3 : 2


Direction: The subdivided bar diagram given below depicts the result of Class XII students of a school for three years. Study the diagram and answer the questions given below :

  1. The number of students passed with Second class in the year 2002 is









  1. View Hint View Answer Discuss in Forum

    According to given bar graph , we have
    Number of students passed with First class in the year 2002 = 80
    Total number of students passed with 1st and 2nd division in the year 2002 = 130
    Number of students who passed with second class in 2002 = Total number of students passed with 1st and 2nd division in the year 2002 - Number of students passed with First class in the year 2002

    Correct Option: C

    According to given bar graph , we have
    Number of students passed with First class in the year 2002 = 80
    Total number of students passed with 1st and 2nd division in the year 2002 = 130
    Number of students who passed with second class in 2002 = Total number of students passed with 1st and 2nd division in the year 2002 - Number of students passed with First class in the year 2002
    ∴ Number of students who passed with second class in 2002 = 130 – 80 = 50


  1. The number of students passed with Third class in the year 2002 is









  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Number of students who passed with third class in 2002 = 10

    Correct Option: B

    On the basis of given graph in question ,
    Number of students who passed with third class in 2002 = 10
    Hence , required answer is option B .


  1. The percentage of students passed with First class in the year 2001 is









  1. View Hint View Answer Discuss in Forum

    From the given bar diagram , we see
    Number of students passed with First class in the year 2001 = 60
    Total number of students passed in the year 2001 = 120

    Required percentage =
    Number of students passed with First class in the year 2001
    × 100
    Total number of students passed in the year 2001

    Correct Option: A

    From the given bar diagram , we see
    Number of students passed with First class in the year 2001 = 60
    Total number of students passed in the year 2001 = 120

    Required percentage =
    Number of students passed with First class in the year 2001
    × 100
    Total number of students passed in the year 2001

    Required percentage =
    60
    × 100 = 50%
    120


  1. The percentage of students passed with Second class in the year 2000 is









  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Total number of students in the year 2000 = 160
    Number of students who stood second in the year 2000 = 50

    ∴ Required percentage =
    Number of students who stood second in the year 2000
    × 100
    Total number of students in the year 2000

    ∴ Required percentage =
    50
    × 100
    160

    Correct Option: D

    On the basis of given graph in question ,
    Total number of students in the year 2000 = 160
    Number of students who stood second in the year 2000 = 50

    ∴ Required percentage =
    Number of students who stood second in the year 2000
    × 100
    Total number of students in the year 2000

    ∴ Required percentage =
    50
    × 100
    160

    Required percentage =
    125
    = 31
    1
    %
    44