यदि (n\(A\cap B\)=26) और (n\(A\cap B\cap C\)=10) है, तो केवल \(A\cap B\) में कितने तत्व हैं?
If (n\(A\cap B\)=26) and (n\(A\cap B\cap C\)=10), then how many elements are only in \(A\cap B\)?
Explanation opens after your attempt
A. (16)
Concept
Only \(A\cap B\) has (26-10=16) elements. A two-set intersection includes the central three-set region too.
Why this answer is correct
The correct answer is A. (16). Only \(A\cap B\) has (26-10=16) elements. A two-set intersection includes the central three-set region too.
Exam Tip
केवल \(A\cap B\) में (26-10=16) तत्व होंगे। दो-समुच्चय प्रतिच्छेद में तीनों वाला केंद्र भी शामिल रहता है।
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