यदि (n(U)=38) और (n(A)=16), तो (n(A')) क्या होगा?
If (n(U)=38) and (n(A)=16), what will (n(A')) be?
Explanation opens after your attempt
B. (22)
Concept
(n(A')=n(U)-n(A)=38-16=22). Complement is always found by subtracting from (U).
Why this answer is correct
The correct answer is B. (22). (n(A')=n(U)-n(A)=38-16=22). Complement is always found by subtracting from (U).
Exam Tip
(n(A')=n(U)-n(A)=38-16=22)। पूरक हमेशा (U) से घटाकर निकाला जाता है।
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