Introduction to Data Interpretation
Direction: Read the bar graph given below and answer the questions.
 What fraction of rice is produced by Haryana of the total production of rice by all the above States?

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As per the given bar graph , we have
Production of Haryana of rice = 2 million tonnes
Total production of rice = 7 + 8 + 4 + 3 + 2 = 24 million tonnesHaryana’s share = Production of Haryana of rice Total production of rice
Correct Option: B
As per the given bar graph , we have
Production of Haryana of rice = 2 million tonnes
Total production of rice = 7 + 8 + 4 + 3 + 2 = 24 million tonnesHaryana’s share = Production of Haryana of rice Total production of rice Haryana’s share = 2 = 1 24 12
 Which of the above states is the largest producer of rice?

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On the basis of given graph in question , we see that the bar of West Bengal is the largest.
Correct Option: B
On the basis of given graph in question , we see that the bar of West Bengal is the largest. Hence , West Bengal is the largest producer of rice .
 Which of the above states is least producer of wheat?

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From the given bar diagram , we see that the bar of West Bengal (W.B.) is lowest.
Correct Option: B
From the given bar diagram , we see that the bar of West Bengal (W.B.) is lowest. So , West Bengal ( W.B.) state is least producer of wheat . Hence , correct answer is option B .
Direction: Student’s strength of a college in Arts, Science and Commerce from 200405 to 2007 08 sessions are shown in the following bar graph. Study the graph and answer the questions.
 The % increase in Science students in 200708 over 200607 was

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As per the given bar graph , we have
Number of Science students in 200708 = 500
Number of Science students in 200607 = 450
Increase = 500  450 = 50Percentage increase in Science students = Increase × 100 Number of Science students in 200607 Percentage increase in Science students = 50 × 100 450
Correct Option: B
As per the given bar graph , we have
Number of Science students in 200708 = 500
Number of Science students in 200607 = 450
Increase = 500  450 = 50Percentage increase in Science students = Increase × 100 Number of Science students in 200607 Percentage increase in Science students = 50 × 100 450 Percentage increase in Science students = 100 = 11.1% 9
 The ratio of average number of students in Arts to the average number of students in Commerce is

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On the basis of given graph in question ,
Total number of students in arts = 600 + 550 + 550 + 700 = 2400
Total number of students in commerce = 200 + 250 + 300 + 250 = 1000
Number of given years = 4
Required Ratio = Average number of students in Arts : Average number of students in commerceCorrect Option: A
On the basis of given graph in question ,
Total number of students in arts = 600 + 550 + 550 + 700 = 2400
Total number of students in commerce = 200 + 250 + 300 + 250 = 1000
Number of given years = 4
Required Ratio = Average number of students in Arts : Average number of students in commerceRequired Ratio = 2400 : 1000 4 4
Required Ratio = 24 : 10 = 12 : 5