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Study the following table carefully and answer the questions given below it. Number of students enrolled in 4 different courses of a college during the given years
Question 34
What is the difference between the number of girls studying in all four courses in the year 2010 and that of boys studying in all four courses in the year 2011 ?
Solution
Total number of girls in all courses in 2010 = 378 + 660 + 342 + 540 = 1920
Total number of boys in 2011 = (820 - 553) + (1200 - 660) + (900 - 360) + (860 - 602)
= 267 + 540 + 540 + 258 = 1605
=> Required difference = 1920 - 1605 = 315
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