यदि \(A=\{1,3,5,7,9\}\) और \(B=\{3,6,9\}\) हैं, तो कौन सा अवयव \(A\cup B\) में है लेकिन \(A\cap B\) में नहीं है?
If \(A=\{1,3,5,7,9\}\) and \(B=\{3,6,9\}\), which element is in \(A\cup B\) but not in \(A\cap B\)?
Explanation opens after your attempt
Correct Answer
C. (5)
Concept
\(A\cap B={3,9}\), while (5) is in the union but not in the common part. In such questions, first remove common elements.
Why this answer is correct
The correct answer is C. (5). \(A\cap B={3,9}\), while (5) is in the union but not in the common part. In such questions, first remove common elements.
Exam Tip
\(A\cap B={3,9}\), जबकि (5) संघ में है पर सामान्य भाग में नहीं है। ऐसे प्रश्न में पहले सामान्य अवयव हटाएं।
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