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English and Logical Reasoning Prep GuideLogical ReasoningLogical Deduction

Directions: Study the following questions carefully and choose the right answer: Statements: All stars are moon All moon are planet No star is orbit Conclusions: I. Some orbit are planet II. Some planet are moon.

Options

  1. AConclusion I follows.
  2. BConclusion II follows.
  3. CEither conclusion I or conclusion II follows.
  4. DBoth conclusion I and conclusion II follows.

Correct answer

B. Conclusion II follows.

Step-by-step solution

Venn Diagram Method: Conclusions: I. Some orbit are planet II. Some planet are moon. Checking Conclusion I: Some orbit are planet Clearly we can see from the venn daigram that no orbit is planet. Hence, C1 doesn't follow. Checking Conclusion II: Some planet are moon. Since All moon are planet we can say that some planet will also be moon. C2, hence, follows here. Option B is hence the correct answer.

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