यदि \(A=\{2,3,4,5\}\) और \(B=\{1,3,5,7\}\) हैं, तो (n\(A\cap B\)) क्या है?
If \(A=\{2,3,4,5\}\) and \(B=\{1,3,5,7\}\), what is (n\(A\cap B\))?
Explanation opens after your attempt
A. (2)
Concept
\(A\cap B={3,5}\). So it has (2) elements.
Why this answer is correct
The correct answer is A. (2). \(A\cap B={3,5}\). So it has (2) elements.
Exam Tip
\(A\cap B={3,5}\) है। इसलिए इसमें (2) अवयव हैं।
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