Data Table
6. | Study the Data Table-2 carefully to answer the questions that follow: Number of girls and boys (in hundreds) in six different years in five different colleges
What is the approximate percentage decrease in the number of boys in College D in the year 2008 as compared to that in the previous year? |
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A. 17
B. 12
C. 9
D. 5
View Answer Discuss Work SpaceAnswer: option a
Explanation:
Percentage decrease = [(6.4 – 5.3) / 6.4] x 100 = 17.18
7. | Study the Data Table-2 carefully to answer the question: The number of girls in College B in the year 2009 is approximately what per cent of the total number of students (both boys and girls) in College E in the year 2006? |
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A. 46
B. 52
C. 70
D. 65
View Answer Discuss Work SpaceAnswer: option d
Explanation:
Girls in College B in 2009 = 590
Boys and girls in College E in 2006 = 550 + 360 = 910
Percentage = (590 / 910) x 100 = 64.83% (Approx)
8. | Study the Data Table-2 carefully to answer the question: What is the average number of girls in College A in all the years taken together? |
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A. 760
B. 800
C. 860
D. 600
View Answer Discuss Work SpaceAnswer: option c
Explanation:
Average number of girls in School A over the years = (360+420+690+960+1290+1440) / 6 = 5160 / 6 = 860
9. | Study the Data Table-2 carefully to answer the question: What is the ratio of the number of boys in College C in the year 2009 to the number of girls in College A in the year 2009? |
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A. 29 : 41
B. 29 : 41
C. 29 : 43
D. 36 : 13
View Answer Discuss Work SpaceAnswer: option c
Explanation:
Required ratio = (Boys in College C in 2009) / (Boys in College A in 2009) = 870 / 1290 = 29 / 43
10. | Study the Data Table-2 carefully to answer the question: In which year is the total number of students (both girls and boys together) the third highest in College E? |
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A. 2006
B. 2007
C. 2008
D. 2005
View Answer Discuss Work SpaceAnswer: option d
Explanation:
Total number of students can be had from the following table:
Year |
Total number of students |
2005 |
1310 |
2006 |
910 |
2007 |
510 |
2008 |
1110 |
2009 |
1330 |
2010 |
2350 |