Level 3- Bar Graph Practice Quiz -8- Hard

Directions: The following bar graph shows the total number of students appearing in an examination from two schools A and B over the years.

 

1 What is the average number of students appearing from School A over the given period?
A 705                     B 710

C 715                     D 720

C

The total number value of students appearing from School A over the given period
= 640 + 800 + 500 + 700 + 900 + 750
= 4290

=4290/6=715
Hence, option C is correct.

 

2 For school A, what is the percentage increase in the number of students appearing from 2008 to 2009?
A 20%           B 25%           C 40%

D 50%          E 60%

B

Percent rise

=(800-640)/640 X100 = 25%
Hence, option B is correct.

 

3 The number of students appearing from School A in the year 2012 is approximately what percent of the number of students appearing from School B in the year 2013?
A 75%        B 120%        C 150%

D 175%     187.5%

E

Required % =(900/480)x100=187.5%    Hence, option E is correct.

4 The number of students appearing from School A in the year 2008 is approximately how much percent more or less than the number of students appearing from School A in the year 2010?
A 14%        B 24%        C 28%

D 48%       E 40%

C

Required %

=(640-500)/500 X 100 = 28%
Hence, option C is correct.
 
5 What is the difference between the total number of student appearing from School A and the total number of students appearing from School B in all the six years together?
A 470     B 530         C 570

D 590    E 610

D
Total number of students appearing from School A = 4290
Total number of students appearing from School B = 3700

∴  Difference = 4290 – 3700 = 590.

Hence, option D is correct.

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