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Doctors Medicines MCQs Q&A

  1. Only Conclusion I and either II or III follows.
  2. Only Conclusion I and II follow.
  3. Only Conclusion II and III follows.
  4. Only Conclusion III and either I or II follows.
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1 Answers

Option 4 : Only Conclusion III and either I or II follows.

Drawing the Venn diagram,

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Conclusion 1: No insect is reptile → False (It is possible but not definite)

Conclusion 2: Some insects are reptile → False (It is possible but not definite)

Conclusion 3: No crab is reptile → True

Hence, ‘Only conclusion III follows and either I or II follows’ is the correct answer.
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Related Questions

In the question below are given four statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: Some Train are Bus. All Bus are Branch. All Branch are Net. Some Net are Dress. Conclusions:                                                                                                     I. Some Dress are Bus.                                                  II. Some Net are Train.                                    III. Some Branch are Train.                                                                               IV. Some Dress are Train. ?
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