Question

In the bar graph, in which year is the sum of the students from schools A and B taken together, the minimum?

A 2012 Correct Answer Incorrect Answer
B 2010 Correct Answer Incorrect Answer
C 2013 Correct Answer Incorrect Answer
D 2011 Correct Answer Incorrect Answer

Solution

Total students in 2008 = 640 + 550 = 1190 Total students in 2009 = 800 + 820 = 1620 Total students in 2010 = 500 + 600 = 1100 Total students in 2011 = 700 + 750 = 1450 Total students in 2012 = 900 + 500 = 1400 Total students in 2013 = 750 + 480 = 1230 Minimum number of students together in A and B is 1100 in year 2010. ∴ Minimum number of students is in year 2010.

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