यदि (n(A)=23) और (n\(A\cap B\)=9), तो केवल (A) में कितने अवयव होंगे?

If (n(A)=23) and (n\(A\cap B\)=9), how many elements will be only in (A)?

Explanation opens after your attempt
Correct Answer

B. (14)

Step 1

Concept

The number only in (A) is (23-9=14). Subtract the common part from total (A).

Step 2

Why this answer is correct

The correct answer is B. (14). The number only in (A) is (23-9=14). Subtract the common part from total (A).

Step 3

Exam Tip

केवल (A) की संख्या (23-9=14) है। (A) के कुल अवयवों से साझा भाग घटाएं।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(A)=23) और (n\(A\cap B\)=9), तो केवल (A) में कितने अवयव होंगे? / If (n(A)=23) and (n\(A\cap B\)=9), how many elements will be only in (A)?

Correct Answer: B. (14). Explanation: केवल (A) की संख्या (23-9=14) है। (A) के कुल अवयवों से साझा भाग घटाएं। / The number only in (A) is (23-9=14). Subtract the common part from total (A).

Which concept should I revise for this Mathematics MCQ?

The number only in (A) is (23-9=14). Subtract the common part from total (A).

What exam hint can help solve this Mathematics question?

केवल (A) की संख्या (23-9=14) है। (A) के कुल अवयवों से साझा भाग घटाएं।