यदि \(A=\{5,10,15,20\}\) और \(B=\{10,20\}\) है, तो \(A\cap B\) क्या है?
If \(A=\{5,10,15,20\}\) and \(B=\{10,20\}\), what is \(A\cap B\)?
Explanation opens after your attempt
Correct Answer
B. ( {10,20} )
Concept
Here \(B\subseteq A\), so \(A\cap B=B\). In subset cases, intersection gives the smaller set.
Why this answer is correct
The correct answer is B. ( {10,20} ). Here \(B\subseteq A\), so \(A\cap B=B\). In subset cases, intersection gives the smaller set.
Exam Tip
यहां \(B\subseteq A\), इसलिए \(A\cap B=B\) है। उपसमुच्चय में प्रतिच्छेद छोटा समुच्चय देता है।
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