यदि केवल (A=14), केवल (B=18), केवल (C=16), केवल \(A\cap B=7\), केवल \(B\cap C=6\), केवल \(C\cap A=5\) और \(A\cap B\cap C=4\) हैं, तो (n\(A\cup B\cup C\)) कितना है?
If only (A=14), only (B=18), only (C=16), only \(A\cap B=7\), only \(B\cap C=6\), only \(C\cap A=5\), and \(A\cap B\cap C=4\), what is (n\(A\cup B\cup C\))?
Explanation opens after your attempt
C. (70)
Concept
The union is the sum of all seven inside regions, (14+18+16+7+6+5+4=70). Add each region only once.
Why this answer is correct
The correct answer is C. (70). The union is the sum of all seven inside regions, (14+18+16+7+6+5+4=70). Add each region only once.
Exam Tip
संघ सातों अंदरूनी क्षेत्रों का योग है, (14+18+16+7+6+5+4=70)। हर क्षेत्र को केवल एक बार जोड़ें।
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