यदि (n(A)=64), (n(B)=57), (n\(A\cap B\)=29) और (n(U)=110) है, तो (n(\(A\cup B\)')) कितना है?
If (n(A)=64), (n(B)=57), (n\(A\cap B\)=29), and (n(U)=110), what is (n(\(A\cup B\)'))?
Explanation opens after your attempt
A. (,18,)
Concept
(n\(A\cup B\)=64+57-29=92). Therefore (n(\(A\cup B\)')=110-92=18).
Why this answer is correct
The correct answer is A. (,18,). (n\(A\cup B\)=64+57-29=92). Therefore (n(\(A\cup B\)')=110-92=18).
Exam Tip
(n\(A\cup B\)=64+57-29=92) है। इसलिए (n(\(A\cup B\)')=110-92=18)।
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