Statements: 1. All rivers are lakes. 2. All lakes are oceans. Conclusions: I. Some oceans are rivers. II. No ocean is a river. Which conclusion(s) logically follow? MCQ with Answer and Explanation
Statements:
1. All rivers are lakes.
2. All lakes are oceans.
Conclusions:
I. Some oceans are rivers.
II. No ocean is a river.
Which conclusion(s) logically follow?
A. Either I or II follows
B. Only conclusion II follows
C. Neither I nor II follows
D. Only conclusion I follows
Answer: Option D
Solution (By JKExamLibrary)
Because rivers -> lakes -> oceans, all rivers are oceans. If all rivers are oceans, then some oceans must be rivers. Therefore, Conclusion I is definitely true and Conclusion II is definitely false.
Statement:
In a recent survey, 80% of employees preferred remote work over office work to maintain a work-life balance.
Conclusions:
I. Office work completely destroys work-life balance.
II. Work-life balance is a priority for a majority of employees.
Which conclusion(s) logically follow?
Explanation:
The statement shows a preference, not an absolute destructive nature of office work (Conclusion I is extreme). Because 80% (a majority) made a choice based on maintaining it, Conclusion II logically follows.
Explanation:
I is an invalid conversion. II: 'some are red' does not imply some are not red; it's possible all roses are red but the statement only says some. So neither follows.
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