यदि (n\(A\cap B'\)=24), (n\(A'\cap B\)=31) और (n\(A\cap B\)=16) है, तो (n\(A\cup B\)) कितना है?
If (n\(A\cap B'\)=24), (n\(A'\cap B\)=31) and (n\(A\cap B\)=16), then what is (n\(A\cup B\))?
Explanation opens after your attempt
Correct Answer
A. (71)
Concept
The three disjoint parts of the union are (24), (31), and (16), whose sum is (71). In a Venn diagram, separate regions can be added directly.
Why this answer is correct
The correct answer is A. (71). The three disjoint parts of the union are (24), (31), and (16), whose sum is (71). In a Venn diagram, separate regions can be added directly.
Exam Tip
संघ के तीन अलग भाग (24), (31) और (16) हैं, जिनका योग (71) है। वेन आरेख में अलग-अलग क्षेत्रों को सीधे जोड़ सकते हैं।
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