यदि \(A=\{1,2,3,4\}\) और \(B=\{2,3\}\), तो (A-B) के आधार पर कौन सा कथन सही है?
If \(A=\{1,2,3,4\}\) and \(B=\{2,3\}\), which statement based on (A-B) is correct?
Explanation opens after your attempt
Correct Answer
A. (A-B={1,4}) और यह (A) का उपसमुच्चय है(A-B={1,4}) and it is a subset of (A)
Concept
(A-B) contains elements of (A) that are not in (B). Here they are 1 and 4.
Why this answer is correct
The correct answer is A. (A-B={1,4}) और यह (A) का उपसमुच्चय है / (A-B={1,4}) and it is a subset of (A). (A-B) contains elements of (A) that are not in (B). Here they are 1 and 4.
Exam Tip
(A-B) में (A) के वे अवयव हैं जो (B) में नहीं हैं। यहां वे 1 और 4 हैं।
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