# 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

 College→       Years↓ A B C D E Boys Girls Boys Girls Boys Girls Boys Girls Boys Girls 2005 3.3 3.6 5.2 3.1 5.5 4.5 2.4 1.4 6.5 6.6 2006 6.6 4.2 4.9 2.2 6.9 3.3 4.4 2.3 5.5 3.6 2007 9.3 6.9 4.7 4.2 5.8 4.9 6.4 3.3 2.7 2.4 2008 5.4 9.6 6.3 5.4 6.6 5.2 5.3 5.4 5.4 5.7 2009 8.4 12.9 7.5 5.9 8.7 6.6 12.1 5.2 6.8 6.5 2010 12.3 14.4 9.8 4.4 11.7 4.2 12.2 9.4 10.8 12.7

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?

A. 17

B. 12

C. 9

D. 5

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?

A. 46

B. 52

C. 70

D. 65

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?

A. 760

B. 800

C. 860

D. 600

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?

A. 29 : 41

B. 29 : 41

C. 29 : 43

D. 36 : 13

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?

A. 2006

B. 2007

C. 2008

D. 2005

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

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