यदि \(A=\{a,b,c\}\) और \(B=\{a,b,c,d\}\), तो (A) और (B) के बारे में सही कथन कौन सा है?
If \(A=\{a,b,c\}\) and \(B=\{a,b,c,d\}\), which statement about (A) and (B) is correct?
Explanation opens after your attempt
Correct Answer
B. \(A\subset B\)
Concept
Every element of (A) is in (B), and (B) has one extra element. So (A) is a proper subset of (B).
Why this answer is correct
The correct answer is B. \(A\subset B\). Every element of (A) is in (B), and (B) has one extra element. So (A) is a proper subset of (B).
Exam Tip
(A) का हर अवयव (B) में है और (B) में एक अतिरिक्त अवयव है। इसलिए (A), (B) का उचित उपसमुच्चय है।
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