यदि (n(A-B)=9), (n\(A\cap B\)=4), (n(B-A)=6), और बाहर का क्षेत्र (5) है, तो (n(U)) क्या है?
If (n(A-B)=9), (n\(A\cap B\)=4), (n(B-A)=6), and the outside region is (5), what is (n(U))?
Explanation opens after your attempt
C. (24)
Concept
(U) includes all regions of the Venn diagram, so (9+4+6+5=24). The number in the whole rectangle is the sum of all regions.
Why this answer is correct
The correct answer is C. (24). (U) includes all regions of the Venn diagram, so (9+4+6+5=24). The number in the whole rectangle is the sum of all regions.
Exam Tip
(U) में वेन आरेख के सभी क्षेत्र आते हैं, इसलिए (9+4+6+5=24)। पूरे आयत की संख्या सभी क्षेत्रों का योग है।
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