RPF Constable previous year question
Statements: All cats are mammals. All mammals are animals. Conclusion: All cats are animals. Is the conclusion valid based on the statements?
Asked in RPF Constable 2025: Shift 11 · Reasoning
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Correct answer: (A) Conclusion is valid
Since all cats are mammals and all mammals are animals, by transitivity all cats are animals — the conclusion is valid.
हिंदी में प्रश्न
कथन: सभी बिल्लियाँ स्तनधारी हैं। सभी स्तनधारी जानवर हैं। निष्कर्ष: सभी बिल्लियाँ जानवर हैं। क्या यह निष्कर्ष कथनों के आधार पर वैध है?
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सही उत्तर: (A) निष्कर्ष वैध है
चूंकि सभी बिल्लियाँ स्तनधारी हैं और सभी स्तनधारी जानवर हैं, संक्रामकता से सभी बिल्लियाँ जानवर हैं — निष्कर्ष वैध है।
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