AP Police Constable practice question
Statements: Some phones are teachers. All teachers are students. Conclusions: I. Some phones are students II. No students is phones. Which of the conclusions follow(s) from the statements?
From a AP Police Constable Reasoning practice set · Reasoning
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Correct answer: (A) Only conclusion I follows
Statements: Some phones are teachers. All teachers are students. Conclusion I: The given statements guarantee at least some overlap between phones and students in every possible case, so "Some phones are students." definitely follows. Conclusion II: "No students is phones." is true in some cases consistent with the statements but false in others (or never true), so it does not definitely follow. So: Only conclusion I follows.
हिंदी में प्रश्न
कथन: कुछ फोन, शिक्षक हैं। सभी शिक्षक, छात्र हैं। निष्कर्ष: I. कुछ फोन, छात्र हैं II. कोई छात्र, फोन नहीं है। कथनों से कौन सा/से निष्कर्ष अनुसरण करता/करते है/हैं?
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सही उत्तर: (A) केवल निष्कर्ष I अनुसरण करता है
कथन: कुछ फोन, शिक्षक हैं। सभी शिक्षक, छात्र हैं। निष्कर्ष I: दिए गए कथनों के अनुरूप हर संभावित स्थिति में "कुछ फोन, छात्र हैं।" सत्य है, इसलिए यह निश्चित रूप से अनुसरण करता है। निष्कर्ष II: "कोई छात्र, फोन नहीं है।" कथनों के अनुरूप कुछ स्थितियों में सत्य हो सकता है पर सभी में नहीं (या कभी नहीं), इसलिए यह निश्चित रूप से अनुसरण नहीं करता। अतः: केवल निष्कर्ष I अनुसरण करता है।
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