यदि \(A=\{1,2,5,7\}\), \(B=\{2,4,6\}\) और \(C=\{5,6,8\}\) हैं, तो (A\cap \(B\cup C\)) क्या है?
If \(A=\{1,2,5,7\}\), \(B=\{2,4,6\}\), and \(C=\{5,6,8\}\), what is (A\cap \(B\cup C\))?
Explanation opens after your attempt
A. ( {2,5} )
Concept
First find \(B\cup C={2,4,5,6,8}\). Then the common elements with (A) are (2) and (5).
Why this answer is correct
The correct answer is A. ( {2,5} ). First find \(B\cup C={2,4,5,6,8}\). Then the common elements with (A) are (2) and (5).
Exam Tip
पहले \(B\cup C={2,4,5,6,8}\) निकालें। फिर (A) से सामान्य अवयव (2) और (5) मिलते हैं।
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