यदि (n(U)=72) और (n(A)=29), तो (n(A')) क्या होगा?
If (n(U)=72) and (n(A)=29), what will (n(A')) be?
Explanation opens after your attempt
Correct Answer
B. (43)
Concept
(n(A')=72-29=43). (A') is the region inside (U) and outside (A).
Why this answer is correct
The correct answer is B. (43). (n(A')=72-29=43). (A') is the region inside (U) and outside (A).
Exam Tip
(n(A')=72-29=43)। (A') (U) के अंदर (A) से बाहर का क्षेत्र है।
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