Explanation:
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.
Statements:
1. Some books are pens.
2. Some pens are erasers.
Conclusions:
I. Some books are erasers.
II. No book is an eraser.
Which conclusion(s) logically follow?
Explanation:
There is no direct relationship established between books and erasers. They might overlap, or they might not. Therefore, neither conclusion can be definitively drawn individually. However, they form a complementary pair (Some A are B / No A is B), meaning one of them must be true. Hence, 'Either I or II follows' is the correct logical deduction. (Mapped to option C for this specific question).
Statement:
The meteorology department has predicted heavy rainfall and thunderstorms for the next 48 hours.
Conclusions:
I. Citizens should carry umbrellas when going out.
II. Flights might get delayed or cancelled.
Which conclusion(s) logically follow?
Explanation:
Both conclusions are logical inferences based on the prediction of severe weather. Carrying an umbrella is a logical precaution, and severe thunderstorms logically impact aviation schedules.
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