पिछले प्रश्न जैसी स्थिति में यदि किसी वास्तविक समुच्चय के उचित उपसमुच्चय (5) बताए जाएं, तो सही निष्कर्ष क्या है?
In a situation where a real finite set is said to have (5) proper subsets, what is the correct conclusion?
Explanation opens after your attempt
Correct Answer
A. ऐसा कोई सीमित समुच्चय नहीं हैNo such finite set exists
Concept
Because \(2^n-1=5\) gives \(2^n=6\), which is not a power of (2). In such questions, also check whether the number is possible.
Why this answer is correct
The correct answer is A. ऐसा कोई सीमित समुच्चय नहीं है / No such finite set exists. Because \(2^n-1=5\) gives \(2^n=6\), which is not a power of (2). In such questions, also check whether the number is possible.
Exam Tip
क्योंकि \(2^n-1=5\) से \(2^n=6\) मिलता है, जो (2) की घात नहीं है। ऐसे प्रश्न में संख्या की सम्भवता भी जांचें।
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