यदि (n\(A\cup B\)=63), केवल (A) (24), और केवल (B) (27) है, तो (n\(A\cap B\)) क्या है?

If (n\(A\cup B\)=63), only (A) is (24), and only (B) is (27), what is (n\(A\cap B\))?

Explanation opens after your attempt
Correct Answer

A. (12)

Step 1

Concept

The union contains only (A), the common part, and only (B). Therefore, the common part is (63-24-27=12).

Step 2

Why this answer is correct

The correct answer is A. (12). The union contains only (A), the common part, and only (B). Therefore, the common part is (63-24-27=12).

Step 3

Exam Tip

संघ में केवल (A), साझा भाग और केवल (B) आते हैं। इसलिए साझा भाग (63-24-27=12) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (n\(A\cup B\)=63), केवल (A) (24), और केवल (B) (27) है, तो (n\(A\cap B\)) क्या है? / If (n\(A\cup B\)=63), only (A) is (24), and only (B) is (27), what is (n\(A\cap B\))?

Correct Answer: A. (12). Explanation: संघ में केवल (A), साझा भाग और केवल (B) आते हैं। इसलिए साझा भाग (63-24-27=12) है। / The union contains only (A), the common part, and only (B). Therefore, the common part is (63-24-27=12).

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 (63-24-27=12).

What exam hint can help solve this Mathematics question?

संघ में केवल (A), साझा भाग और केवल (B) आते हैं। इसलिए साझा भाग (63-24-27=12) है।