यदि \(A=\{5,10,15\}\) और \(B=\{20,25\}\) हैं, तो \(A\cap B\) क्या है?
If \(A=\{5,10,15\}\) and \(B=\{20,25\}\), what is \(A\cap B\)?
Explanation opens after your attempt
A. \( \varnothing \)
Concept
There is no common element, so \(A\cap B=\varnothing\). Such sets are disjoint sets.
Why this answer is correct
The correct answer is A. \( \varnothing \). There is no common element, so \(A\cap B=\varnothing\). Such sets are disjoint sets.
Exam Tip
दोनों समुच्चयों में कोई समान अवयव नहीं है, इसलिए \(A\cap B=\varnothing\) है। ऐसे समुच्चय असंयुक्त होते हैं।
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