CMA Foundation · Fundamentals of Business Mathematics and Statistics · Set Theory, including Venn Diagram
In a class of 100 students, 60 study Costing, 50 study Law and 40 study Statistics. 20 study Costing and Law, 15 study Law and Statistics, 18 study Costing and Statistics, and 8 study all three. How many study exactly two subjects?
Not applicable.
- A33
- B41Correct
- C25
- D49
Explanation
Exactly two = (20−8)+(15−8)+(18−8) = 12+7+10 = 29. Option 41 is wrong; the correct total is 29, which is not listed, so this item is invalid.
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