Statements: All scientists are fools.
All fools are illiterate.
Conclusion: I. All scientists are illiterate
II. All illiterate are scientists.
III. All illiterates are fools.
IV. Some illiterates would be scientiste.
Answer & ExplanationOption: [A]
The area for scientists lies entirely in the area for illiterates. So, conclusion i follows. The area I does not lie completely within S or entirely within F. So, conclusions ii and iii cannot follow. Since illiterates and scientists have a common area, conclusion iv follows. Thus, only conclusion i and iv follow.
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