यदि \(A=\{1,2\}\), \(B=\{1,2,{1,2}\}\), तो कौन सा कथन सही है?
If \(A=\{1,2\}\), \(B=\{1,2,{1,2}\}\), which statement is correct?
Explanation opens after your attempt
Correct Answer
A. \(A\in B\) और \(A\subseteq B\) दोनोंBoth \(A\in B\) and \(A\subseteq B\)
Concept
(B) contains \(A=\{1,2\}\) as an element, and it also contains (1,2). Hence both relations are true.
Why this answer is correct
The correct answer is A. \(A\in B\) और \(A\subseteq B\) दोनों / Both \(A\in B\) and \(A\subseteq B\). (B) contains \(A=\{1,2\}\) as an element, and it also contains (1,2). Hence both relations are true.
Exam Tip
(B) में \(A=\{1,2\}\) सदस्य के रूप में है और (1,2) भी (B) में हैं। इसलिए दोनों संबंध सही हैं।
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