यदि (n\(A\cup B\)=58) और (n(A-B)=22), (n(B-A)=20) है, तो कौन सा कथन सही है?
If (n\(A\cup B\)=58), (n(A-B)=22), and (n(B-A)=20), which statement is correct?
Explanation opens after your attempt
A. (n\(A\cap B\)=16)
Concept
The common part is (58-22-20=16). Identifying separate regions of the union saves time in exams.
Why this answer is correct
The correct answer is A. (n\(A\cap B\)=16). The common part is (58-22-20=16). Identifying separate regions of the union saves time in exams.
Exam Tip
साझा भाग (58-22-20=16) है। संघ के अलग-अलग क्षेत्रों को पहचानना परीक्षा में समय बचाता है।
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