एक वेन आरेख में केवल (A) में (24), केवल (B) में (31) और दोनों में (16) तत्व हैं। (n\(A\cup B\)) कितना है?
In a Venn diagram, (24) elements are only in (A), (31) are only in (B), and (16) are in both. What is (n\(A\cup B\))?
Explanation opens after your attempt
C. (71)
Concept
The union is the sum of three separate parts, so (24+31+16=71). In a Venn diagram, add each separate region only once.
Why this answer is correct
The correct answer is C. (71). The union is the sum of three separate parts, so (24+31+16=71). In a Venn diagram, add each separate region only once.
Exam Tip
संघ तीन अलग भागों का योग है, इसलिए (24+31+16=71)। वेन आरेख में अलग क्षेत्रों को केवल एक बार जोड़ें।
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