यदि (A) और (B) सीमित सेट हैं तथा \(|A\setminus B|=9\), \(|B\setminus A|=4\), \(|A\cap B|=11\), तो \(|A\cup B|\) क्या है?
If (A) and (B) are finite sets and \(|A\setminus B|=9\), \(|B\setminus A|=4\), \(|A\cap B|=11\), what is \(|A\cup B|\)?
Explanation opens after your attempt
A. (24)
Concept
The union is the sum of three separate parts: (9+4+11=24). In a Venn diagram, add the disjoint regions.
Why this answer is correct
The correct answer is A. (24). The union is the sum of three separate parts: (9+4+11=24). In a Venn diagram, add the disjoint regions.
Exam Tip
संघ तीन अलग भागों का योग है: (9+4+11=24)। वेन आरेख में अलग क्षेत्रों की गिनती जोड़ें।
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