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प्रश्न
In this question, two statements followed by four conclusions I, II, III and IV. You haveto accept the given statements to be true, even if they appear to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the two statements:
Statement I: All researchers are sociologists
Statement II: Some researchers are professors.
Conclusions:
I. All researchers are professors.
II. Some researchers are professors.
III. Some professors are sociologists.
IV. Some sociologists are researchers.
पर्याय
Only III and II follow.
Only II and IV follow.
Only III follows.
None follows.
उत्तर
The Venn diagram is as shown below:
Conclusions:
I. false II. true III. true IV. true So, only II, III and IV follow