यदि \(A=\{1,2,3,4\}\) और \(B=\{1,2\}\) है तो कौन सा कथन सही है?
If \(A=\{1,2,3,4\}\) and \(B=\{1,2\}\), which statement is correct?
Explanation opens after your attempt
Correct Answer
B. \(B\subset A\) और \(B\ne A\)\(B\subset A\) and \(B\ne A\)
Concept
All elements of (B) are in (A), but (A) has extra elements. This is a proper subset relation.
Why this answer is correct
The correct answer is B. \(B\subset A\) और \(B\ne A\) / \(B\subset A\) and \(B\ne A\). All elements of (B) are in (A), but (A) has extra elements. This is a proper subset relation.
Exam Tip
(B) के सभी अवयव (A) में हैं लेकिन (A) में अतिरिक्त अवयव भी हैं। इसे उचित उपसमुच्चय कहते हैं।
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