यदि \(U=\{1,2,3,4,5,6,7\}\) और \(A=\{2,5,7\}\) है तो (A') क्या है?
If \(U=\{1,2,3,4,5,6,7\}\) and \(A=\{2,5,7\}\), what is (A')?
Explanation opens after your attempt
Correct Answer
B. ({1,3,4,6})
Concept
(A') contains elements of (U) that are not in (A). Here (1,3,4,6) remain.
Why this answer is correct
The correct answer is B. ({1,3,4,6}). (A') contains elements of (U) that are not in (A). Here (1,3,4,6) remain.
Exam Tip
(A') में (U) के वे तत्व आते हैं जो (A) में नहीं हैं। यहां (1,3,4,6) बचते हैं।
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