Bar Graph
| 11. | Study the below Bar Graph-3 and answer the questions: If the total number of students in the University in the year 2007 was 455030, then, the total number of students who opted for the given three subjects were approximately what percent of the total students? |
|---|
A. 19
B. 9
C. 12
D. 5
View Answer Discuss Work SpaceAnswer: option b
Explanation:
Required percentage = ((15+30)×1000) / 455030 × 100 = 40000 / 455030 × 100 ≈ 9
| 12. | Study the Bar Graph-3 carefully to answer the question: What is the total number of students who opted for Hindi and who opted for Geography in the years 2006, 2007 and 2009 together? |
|---|
A. 97000
B. 93000
C. 85000
D. 95000
View Answer Discuss Work SpaceAnswer: option d
Explanation:
Required number of students = (5 + 35 + 15 + 15 + 20 + 5) x 1000 = 95 x 1000 = 95000
| 13. | Study the Bar Graph-3 carefully to answer the question: The total number of students who opted for Geography in the years 2005 and 2008 together are approximately what percent of the total number of students who opted for all three subjects in the same years? |
|---|
A. 38
B. 28
C. 42
D. 32
View Answer Discuss Work SpaceAnswer: option d
Explanation:
Required percentage
= [((15+30) × 1000)/({(5 + 35 + 15) + (25+30+30)} × 1000)] × 100
= (((15+30)) / ((55+85) )) × 100 = 45/140 × 100 ≈ 32
| 14. | Study the Bar Graph-3 carefully to answer the question: What is the respective ratio between the number of students who opted for Sociology in the years 2006 and 2008 together and the number of students who opted for History in the year 2005 and 2009 together? |
|---|
A. 11 : 5
B. 12 : 7
C. 11 : 7
D. 12 : 5
View Answer Discuss Work SpaceAnswer: option a
Explanation:
Required ratio = (25 + 30) : (5+20) = 55 : 25 = 11 : 5
| 15. | Study the Bar Graph-3 carefully to answer the question: Out of the total number of students who opted for the given three subjects, in the year 2009, 38% were girls. How many boys opted for Geography in the same year? |
|---|
A. 1322
B. 1332
C. 1312
D. Cannot be determined
View Answer Discuss Work SpaceAnswer: option d
Explanation:
Number of students who opted for all three subjects in 2009 = (20 + 20 + 5) thousands = 45000
Number of boys = (45000 × 62) / 100 = 27900
Since, we do not know the number of girls in Mathematics, number of boys opted for Mathematics cannot be determined.
Bar Graph Questions and Answers FAQ
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