GATE CS 2021 Set 1 — Question 9
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General Aptitude → Analytical Aptitude → Deduction & Induction
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Question
Given below are two statements 1 and 2, and two conclusions I and II.Statement 1: All bacteria are microorganisms.
Statement 2: All pathogens are microorganisms.Conclusion I: Some pathogens are bacteria.
Conclusion II: All pathogens are not bacteria.Based on the above statements and conclusions, which one of the following options is logically CORRECT?
Statement 2: All pathogens are microorganisms.Conclusion I: Some pathogens are bacteria.
Conclusion II: All pathogens are not bacteria.Based on the above statements and conclusions, which one of the following options is logically CORRECT?
Solution
Let = bacteria, = pathogens, = microorganisms.
- Statement 1: .
- Statement 2: .
- Conclusion I, "Some pathogens are bacteria" (), does not follow.
- Conclusion II, "All pathogens are not bacteria" (read as ), does not follow either.
- (A) and (B) claim one specific conclusion is correct, which the statements do not establish. Wrong.
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