Introduction to Data Interpretation
Direction: Study the double bar graph given below and answer the questions.

- The ratio of the participants in exhibition of class IX with the total participants of class IX is
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On the basis of given graph in question ,
Number of participants in exhibition of class IX = 75
Total participants of class IX = 75 + 30 = 105Correct Option: A
On the basis of given graph in question ,
Number of participants in exhibition of class IX = 75
Total participants of class IX = 75 + 30 = 105
Required ratio = 75 : (75 + 30) = 75 : 105 = 5 : 7
- The average of the number of students participating in exhibition is
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From the given bar diagram , we see
Total number of students Participating in exhibition = 45 + 30 + 60 + 75
Number of classes = 4Average number of students Participating in exhibition = 45 + 30 + 60 + 75 = 210 4 4
Correct Option: B
From the given bar diagram , we see
Total number of students Participating in exhibition = 45 + 30 + 60 + 75
Number of classes = 4Average number of students Participating in exhibition = 45 + 30 + 60 + 75 = 210 4 4
Average number of students Participating in exhibition = 52.5
- The average of the number of students participating in cultural events is
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As per the given bar graph , we have
Total number of students participating in cultural events = 60 + 45 + 45 + 30
Number of classes = 4Average number of students participating in cultural events = 60 + 45 + 45 + 30 4
Correct Option: C
As per the given bar graph , we have
Total number of students participating in cultural events = 60 + 45 + 45 + 30
Number of classes = 4Average number of students participating in cultural events = 60 + 45 + 45 + 30 4 Average number of students participating in cultural events = 180 = 45 4
- The class having maximum number of participants in exhibition is
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On the basis of given graph in question ,From class IX 75 students participated in exhibition.
Correct Option: A
On the basis of given graph in question , From class IX 75 students participated in exhibition.
Hence , Class IX is required answer for this question .
Direction: Study the bar diagram and answer the questions.

- The respective ratio of number of girls from Philosophy Department to the number of girls from Psychology Department is
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View Hint View Answer Discuss in Forum
According to given bar graph , we have
Number of girls from Philosophy Department = 140
Number of girls from Psychology Department = 220
Required ratio = Number of girls from Philosophy Department : Number of girls from Psychology DepartmentCorrect Option: A
According to given bar graph , we have
Number of girls from Philosophy Department = 140
Number of girls from Psychology Department = 220
Required ratio = Number of girls from Philosophy Department : Number of girls from Psychology Department
Required ratio = 140 : 220 = 7 : 11