यदि (n\(A\cup B\)=96), (n(A)=58) और (n(A-B)=29) है, तो (n(B-A)) कितना होगा?

If (n\(A\cup B\)=96), (n(A)=58), and (n(A-B)=29), what is (n(B-A))?

Explanation opens after your attempt
Correct Answer

A. (38)

Step 1

Concept

First (n\(A\cap B\)=58-29=29), then (n(B-A)=96-29-29=38). Subtract only (A) from total (A) to get the common part.

Step 2

Why this answer is correct

The correct answer is A. (38). First (n\(A\cap B\)=58-29=29), then (n(B-A)=96-29-29=38). Subtract only (A) from total (A) to get the common part.

Step 3

Exam Tip

पहले (n\(A\cap B\)=58-29=29), फिर (n(B-A)=96-29-29=38)। कुल (A) से केवल (A) घटाकर साझा भाग निकालें।

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Mathematics Answer, Explanation and Revision Hints

यदि (n\(A\cup B\)=96), (n(A)=58) और (n(A-B)=29) है, तो (n(B-A)) कितना होगा? / If (n\(A\cup B\)=96), (n(A)=58), and (n(A-B)=29), what is (n(B-A))?

Correct Answer: A. (38). Explanation: पहले (n\(A\cap B\)=58-29=29), फिर (n(B-A)=96-29-29=38)। कुल (A) से केवल (A) घटाकर साझा भाग निकालें। / First (n\(A\cap B\)=58-29=29), then (n(B-A)=96-29-29=38). Subtract only (A) from total (A) to get the common part.

Which concept should I revise for this Mathematics MCQ?

First (n\(A\cap B\)=58-29=29), then (n(B-A)=96-29-29=38). Subtract only (A) from total (A) to get the common part.

What exam hint can help solve this Mathematics question?

पहले (n\(A\cap B\)=58-29=29), फिर (n(B-A)=96-29-29=38)। कुल (A) से केवल (A) घटाकर साझा भाग निकालें।