यदि (n\(A\cup B\)=44), केवल (A) (16), और केवल (B) (19) है, तो (n\(A\cap B\)) क्या है?

If (n\(A\cup B\)=44), only (A) is (16), and only (B) is (19), what is (n\(A\cap B\))?

Explanation opens after your attempt
Correct Answer

A. (9)

Step 1

Concept

The union contains only (A), the common part, and only (B). Therefore, the common part is (44-16-19=9).

Step 2

Why this answer is correct

The correct answer is A. (9). The union contains only (A), the common part, and only (B). Therefore, the common part is (44-16-19=9).

Step 3

Exam Tip

संघ में केवल (A), साझा भाग और केवल (B) आते हैं। इसलिए साझा भाग (44-16-19=9) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (n\(A\cup B\)=44), केवल (A) (16), और केवल (B) (19) है, तो (n\(A\cap B\)) क्या है? / If (n\(A\cup B\)=44), only (A) is (16), and only (B) is (19), what is (n\(A\cap B\))?

Correct Answer: A. (9). Explanation: संघ में केवल (A), साझा भाग और केवल (B) आते हैं। इसलिए साझा भाग (44-16-19=9) है। / The union contains only (A), the common part, and only (B). Therefore, the common part is (44-16-19=9).

Which concept should I revise for this Mathematics MCQ?

The union contains only (A), the common part, and only (B). Therefore, the common part is (44-16-19=9).

What exam hint can help solve this Mathematics question?

संघ में केवल (A), साझा भाग और केवल (B) आते हैं। इसलिए साझा भाग (44-16-19=9) है।