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Instructions
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 35
what is the respective ratio between the total number of boys in courses B and D together in 2010 and that of all students in courses A and D in 2012 ?
Solution
Number of boys in courses B & D in 2010 = (1200 - 660) + (900 - 540)
= 540 + 360 = 900
Total numbers of students in courses A & D in 2012 = 800 + 700 = 1500
=> Required ratio = 900 : 1500 = 3 : 5
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