यदि (n(U)=120), (n(A)=70), (n(B)=65) और (n\(A\cap B\)=40), तो (n\(A'\cap B'\)) क्या है?

If (n(U)=120), (n(A)=70), (n(B)=65), and (n\(A\cap B\)=40), what is (n\(A'\cap B'\))?

Explanation opens after your attempt
Correct Answer

A. (,25,)

Step 1

Concept

(n\(A\cup B\)=70+65-40=95). Therefore (n\(A'\cap B'\)=n(\(A\cup B\)')=120-95=25).

Step 2

Why this answer is correct

The correct answer is A. (,25,). (n\(A\cup B\)=70+65-40=95). Therefore (n\(A'\cap B'\)=n(\(A\cup B\)')=120-95=25).

Step 3

Exam Tip

(n\(A\cup B\)=70+65-40=95) है। इसलिए (n\(A'\cap B'\)=n(\(A\cup B\)')=120-95=25)।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(U)=120), (n(A)=70), (n(B)=65) और (n\(A\cap B\)=40), तो (n\(A'\cap B'\)) क्या है? / If (n(U)=120), (n(A)=70), (n(B)=65), and (n\(A\cap B\)=40), what is (n\(A'\cap B'\))?

Correct Answer: A. (,25,). Explanation: (n\(A\cup B\)=70+65-40=95) है। इसलिए (n\(A'\cap B'\)=n(\(A\cup B\)')=120-95=25)। / (n\(A\cup B\)=70+65-40=95). Therefore (n\(A'\cap B'\)=n(\(A\cup B\)')=120-95=25).

Which concept should I revise for this Mathematics MCQ?

(n\(A\cup B\)=70+65-40=95). Therefore (n\(A'\cap B'\)=n(\(A\cup B\)')=120-95=25).

What exam hint can help solve this Mathematics question?

(n\(A\cup B\)=70+65-40=95) है। इसलिए (n\(A'\cap B'\)=n(\(A\cup B\)')=120-95=25)।