यदि (n(A')=35), (n(B')=42), (n(U)=80) और (n\(A\cap B\)=25) है, तो (n\(A'\cap B'\)) कितना है?

If (n(A')=35), (n(B')=42), (n(U)=80), and (n\(A\cap B\)=25), what is (n\(A'\cap B'\))?

Explanation opens after your attempt
Correct Answer

A. (22)

Step 1

Concept

(n(A)=45) and (n(B)=38), so (n\(A\cup B\)=45+38-25=58). The outside part is (80-58=22).

Step 2

Why this answer is correct

The correct answer is A. (22). (n(A)=45) and (n(B)=38), so (n\(A\cup B\)=45+38-25=58). The outside part is (80-58=22).

Step 3

Exam Tip

(n(A)=45) और (n(B)=38), इसलिए (n\(A\cup B\)=45+38-25=58)। बाहर का भाग (80-58=22) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(A')=35), (n(B')=42), (n(U)=80) और (n\(A\cap B\)=25) है, तो (n\(A'\cap B'\)) कितना है? / If (n(A')=35), (n(B')=42), (n(U)=80), and (n\(A\cap B\)=25), what is (n\(A'\cap B'\))?

Correct Answer: A. (22). Explanation: (n(A)=45) और (n(B)=38), इसलिए (n\(A\cup B\)=45+38-25=58)। बाहर का भाग (80-58=22) है। / (n(A)=45) and (n(B)=38), so (n\(A\cup B\)=45+38-25=58). The outside part is (80-58=22).

Which concept should I revise for this Mathematics MCQ?

(n(A)=45) and (n(B)=38), so (n\(A\cup B\)=45+38-25=58). The outside part is (80-58=22).

What exam hint can help solve this Mathematics question?

(n(A)=45) और (n(B)=38), इसलिए (n\(A\cup B\)=45+38-25=58)। बाहर का भाग (80-58=22) है।