यदि \(A=\{a,b,c,d\}\), तो (P(A)) के कितने अवयवों में (a) नहीं है और आकार विषम है?
If \(A=\{a,b,c,d\}\), how many elements of (P(A)) do not contain (a) and have odd size?
Explanation opens after your attempt
Correct Answer
C. (4)
Concept
After excluding (a), (3) elements remain, and their odd-sized subsets are \(2^{3-1}=4\). Count the size after exclusion.
Why this answer is correct
The correct answer is C. (4). After excluding (a), (3) elements remain, and their odd-sized subsets are \(2^{3-1}=4\). Count the size after exclusion.
Exam Tip
(a) हटाने पर (3) अवयव बचते हैं और इनके विषम आकार के उपसमुच्चय \(2^{3-1}=4\) हैं। निष्कासन के बाद ही आकार गिनें।
Login to save your score, XP, coins and progress.