alleryक्या 'कुछ S, P हैं' यह गारंटी देता है कि 'कुछ S, P नहीं हैं' भी सत्य है?
Aकेवल तब जब S रिक्त हो
Bहाँ, प्रत्येक स्थिति में
Cनहीं, आवश्यक रूप से नहीं
Dकेवल तब जब P रिक्त हो
Answer & Solution
Correct answer: C. नहीं, आवश्यक रूप से नहीं
चूँकि 'कुछ' में 'सभी' की संभावना शामिल होती है, इसलिए संभव है कि सभी S, P हों और ऐसी स्थिति में कोई भी S, P के बाहर न हो।
Keep practising Syllogism
Browse all Syllogism questions for RRB NTPC, or explore more Reasoning topics.
Related questions
What is the converse of 'Some doctors are teachers'?Some tigers are cats; all cats are animals. What is certain?No pen is a book and no book is a bag. What links pens and bags?All dogs are animals and all cats are animals. What follows?All roses are flowers and some roses are red. What definitely follows?All pens are books and all books are desks. Which must be true?In contemporary logic, can 'All A are B' be true when there are no A?A syllogism mainly tests whether a conclusion is?