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
Correct Answer

A. (16)

Step 1

Concept

Only \(A\cap B\) has (26-10=16) elements. A two-set intersection includes the central three-set region too.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

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 \(A\cap B\)?

Correct Answer: A. (16). Explanation: केवल \(A\cap B\) में (26-10=16) तत्व होंगे। दो-समुच्चय प्रतिच्छेद में तीनों वाला केंद्र भी शामिल रहता है। / Only \(A\cap B\) has (26-10=16) elements. A two-set intersection includes the central three-set region too.

Which concept should I revise for this Mathematics MCQ?

Only \(A\cap B\) has (26-10=16) elements. A two-set intersection includes the central three-set region too.

What exam hint can help solve this Mathematics question?

केवल \(A\cap B\) में (26-10=16) तत्व होंगे। दो-समुच्चय प्रतिच्छेद में तीनों वाला केंद्र भी शामिल रहता है।