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Year

CAT 2020

Section

Quantitative

Topic

Set Theory

Difficulty

Hard

Question

Slot-2

Students in a college have to choose at least two subjects from chemistry, mathematics and physics. The number of students choosing all three subjects is 18, choosing mathematics as one of their subjects is 23 and choosing physics as one of their subjects is 25. The smallest possible number of students who could choose chemistry as one of their subjects is

22

19

20

21

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