70 students are enrolled in Management, Accounting and Marketing, 40 students are in Management, 35 are in Accounting and 30 are in Marketing. 15 students are enrolled in all three courses. How many of the students are enrolled in exactly two of the courses?
সমাধান
সঠিক উত্তর: Option B
Total student = 70
Enrolled in all three courses = 15
Remaining =70-15 =55
enrolled in one or two of the courses = (40-15)+(35-15)+(30-15)= 60
enrolled in exactly two of the courses (60-55) = 5
