Introduction to Data Interpretation
Direction: Study the following multiple bar graph carefully and answer the questions
 What is the ratio of the number of women working in the year 2006 to the number of women working in the year 2010?

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As per the given bar graph , we have
The number of working women in the year 2006 = 50 millions
The number of working women in the year 2010 = 85 millions
Required ratio = The number of working women in the year 2006 : The number of working women in the year 2010Correct Option: D
As per the given bar graph , we have
The number of working women in the year 2006 = 50 millions
The number of working women in the year 2010 = 85 millions
Required ratio = The number of working women in the year 2006 : The number of working women in the year 2010
∴ Required ratio = 50 : 85 = 10 : 17
 What is the ratio of numbers of working women to the nonworking women in the year 2009?

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According to given bar graph , we have
The number of nonworking women in the year 2009 = 40 millions
The number of working women in the year 2009 = 70 millions
Required ratio = The number of working women in the year 2009 : The number of nonworking women in the year 2009Correct Option: A
According to given bar graph , we have
The number of nonworking women in the year 2009 = 40 millions
The number of working women in the year 2009 = 70 millions
Required ratio = The number of working women in the year 2009 : The number of nonworking women in the year 2009
∴ Required ratio = 70 : 40 = 7 : 4
 The number of nonworking women in the year 2010 was approximately (correct up to an integer) what percent of total number of working as well as nonworking women in that year?

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From the given bar diagram , we see
The number of nonworking women in the year 2010 = 35 millions
The number of working women in the year 2010 = 85 millions
Total number of working and nonworking women in the year 2010 =85 + 35 = 120 millionsRequired percentage = The number of nonworking women in the year 2010 × 100 Total number of working and nonworking women in the year 2010
Correct Option: C
From the given bar diagram , we see
The number of nonworking women in the year 2010 = 35 millions
The number of working women in the year 2010 = 85 millions
Total number of working and nonworking women in the year 2010 =85 + 35 = 120 millionsRequired percentage = The number of nonworking women in the year 2010 × 100 Total number of working and nonworking women in the year 2010 Required percentage = 35 × 100 ≈29% 120
Direction: Shown below is the multiple bar diagram depict ing the changes in the roll strength of a college in four faculties from 2001 02 to 200304.
 Percentage of increase in Science students in 200304 over 2001 2002 is

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On the basis of given graph in question ,
Number of students in Science in 2001  2002 = 400
Number of students in Science in 2003  2004 = 600
Increase = 600 400 = 200Required percentage increase = Increase × 100 Number of students in Science in 2001  2002
Correct Option: B
On the basis of given graph in question ,
Number of students in Science in 2001  2002 = 400
Number of students in Science in 2003  2004 = 600
Increase = 600 400 = 200Required percentage increase = Increase × 100 Number of students in Science in 2001  2002 Required percentage increase = 200 × 100 = 50% 400
 The percentage of students in Law faculty in 200304 is

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As per the given bar graph , we have
Number of students in Law in 2003  04 = 250
Total students in 200304 = 1600∴ Required percentage = Number of students in Law in 2003  04 × 100 Total students in 200304
Correct Option: C
As per the given bar graph , we have
Number of students in Law in 2003  04 = 250
Total students in 200304 = 1600∴ Required percentage = Number of students in Law in 2003  04 × 100 Total students in 200304 ∴ Required percentage = 250 × 100 = 15.6% 1600