If the statement 'some plants are carnivorous' is given as true, then which of the following could be immediately inferred from it:
(A) 'All plants are carnivorous' is undetermined
(B) 'All plants are carnivorous' is true
(C) 'Some plants are not carnivorous' is undetermined
(D) 'No plants are carnivorous' is false
Choose the correct answer from the options given below:यदि कथन 'कुछ पौधे मांसाहारी हैं' को सत्य दिया गया है, तो उससे निम्नलिखित में से किसका तत्काल अनुमान लगाया जा सकता है:
(A) 'सभी पौधे मांसाहारी हैं' अनिर्धारित है
(B) 'सभी पौधे मांसाहारी हैं' सत्य है
(C) 'कुछ पौधे मांसाहारी नहीं हैं' अनिर्धारित है
(D) 'कोई भी पौधा मांसाहारी नहीं है' असत्य है
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Correct answer: D. (A), (C), (D) onlyकेवल (A), (C) और (D)
Explanation
The given proposition is an I proposition. If I is true: its contradictory E ('No plants are carnivorous') is false; the A proposition (its superaltern) is undetermined; the O proposition (its subcontrary) is undetermined. So (A), (C) and (D) follow, while (B) does not. Hence (A), (C), (D) only.दिया गया कथन I प्रतिज्ञप्ति है। I सत्य हो तो: इसकी व्याघाती E ('कोई भी पौधा मांसाहारी नहीं है') असत्य है; A प्रतिज्ञप्ति (इसकी अधिवर्ती/superaltern) अनिर्धारित है; O प्रतिज्ञप्ति (उप-विपरीत/subcontrary) अनिर्धारित है। अतः (A), (C) और (D) निकलते हैं, (B) नहीं। अतः केवल (A), (C) और (D)।More Logical Reasoning questions
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