Statement: The man is a smoker. Conclusions: I. He will get lung cancer. II. His teeth may be stained.
A. Neither I nor II follows
B. Both I and II follow
C. Only II follows
D. Only I follows
Answer: Option C
Solution (By JKExamLibrary)
Smoking increases risk but doesn't guarantee cancer, so I does not follow. Teeth staining is a common effect, so II is possible and thus follows as a probable conclusion.
Explanation:
When there are two negative statements, no definitive positive or negative relationship can be established between the subject of the first and the predicate of the second (cat and rat). Since I and II form a complementary pair covering all possibilities, either I or II must be true.
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