यदि \(A\cap B=\varnothing\), (n(A)=31) और (n(B)=44) है, तो (n\(A\cup B\)) कितना होगा?

If \(A\cap B=\varnothing\), (n(A)=31), and (n(B)=44), what is (n\(A\cup B\))?

Explanation opens after your attempt
Correct Answer

A. (75)

Step 1

Concept

For disjoint sets, the common part is (0), so (31+44=75). Disjoint circles do not overlap in a Venn diagram.

Step 2

Why this answer is correct

The correct answer is A. (75). For disjoint sets, the common part is (0), so (31+44=75). Disjoint circles do not overlap in a Venn diagram.

Step 3

Exam Tip

असंबद्ध समुच्चयों में साझा भाग (0) होता है, इसलिए (31+44=75)। असंबद्ध वृत्त वेन आरेख में नहीं कटते।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A\cap B=\varnothing\), (n(A)=31) और (n(B)=44) है, तो (n\(A\cup B\)) कितना होगा? / If \(A\cap B=\varnothing\), (n(A)=31), and (n(B)=44), what is (n\(A\cup B\))?

Correct Answer: A. (75). Explanation: असंबद्ध समुच्चयों में साझा भाग (0) होता है, इसलिए (31+44=75)। असंबद्ध वृत्त वेन आरेख में नहीं कटते। / For disjoint sets, the common part is (0), so (31+44=75). Disjoint circles do not overlap in a Venn diagram.

Which concept should I revise for this Mathematics MCQ?

For disjoint sets, the common part is (0), so (31+44=75). Disjoint circles do not overlap in a Venn diagram.

What exam hint can help solve this Mathematics question?

असंबद्ध समुच्चयों में साझा भाग (0) होता है, इसलिए (31+44=75)। असंबद्ध वृत्त वेन आरेख में नहीं कटते।