यदि (A) के कुल उपसमुच्चय (256) हैं, तो (A) में कितने तत्व हैं?
If (A) has (256) total subsets, how many elements does (A) have?
Explanation opens after your attempt
C. (8)
Concept
Total subsets are \(2^n\), and \(256=2^8\). Therefore (A) has (8) elements.
Why this answer is correct
The correct answer is C. (8). Total subsets are \(2^n\), and \(256=2^8\). Therefore (A) has (8) elements.
Exam Tip
कुल उपसमुच्चय \(2^n\) होते हैं और \(256=2^8\)। इसलिए (A) में (8) तत्व हैं।
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