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Four Arguments Are Given. Each is a Set of Three Sentences. Decide Which Set Has Third Sentence as Logical Conclusion of First and Second Sentences Considering the First Two to Be Correct. - Logical Reasoning

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MCQ

Four arguments are given. Each is a set of three sentences. Decide which set has third sentence as logical conclusion of first and second sentences considering the first two to be correct.

I. No bird can fly. All animals are black. Birds and animals can fly.
II. No P is not Q. All R are P. All R are Q.
III. No nut is bolt. No bolt is screw. No nut is screw.
IV. All six are seven. No seven is eight. All six are not eight.

Options

  • III and IV

  • II and IV

  • I and II

  • II

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Solution

II and IV

Concept: Syllogism
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