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Instructions
Refer to the bar graph and answer the given questions. Data related to the number of students enrolled for a vocational course in two institutes (A and B) during 5 years
Question 40
What is the difference between average number of students enrolled in institute A in 2009 and 2010 and that in institute B in 2011 and 2012 ?
Solution
Number of students enrolled in institute A in 2009 and 2010 =170+270 = 440
Average = 440/2 = 220
Number of students enrolled in institute B in 2011 and 2012 = 160+200=360
Average = 360/2 = 180
Difference between averages = 220-180 = 40
Option B is the correct answer.
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