यदि \(A=\{1,2,3,4,5,6\}\) है, तो (A) के ऐसे उपसमुच्चयों की संख्या कितनी है जिनमें (1), (2) और (3) में से कोई भी न हो?
If \(A=\{1,2,3,4,5,6\}\), how many subsets of (A) contain none of (1), (2), and (3)?
Explanation opens after your attempt
B. (8)
Concept
After excluding (1,2,3), the elements (4,5,6) remain. Their subsets are \(2^3=8\).
Why this answer is correct
The correct answer is B. (8). After excluding (1,2,3), the elements (4,5,6) remain. Their subsets are \(2^3=8\).
Exam Tip
(1,2,3) हटाने पर (4,5,6) बचते हैं। इनके \(2^3=8\) उपसमुच्चय होंगे।
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