यदि \(A\cup A^c=U\) और (n(A)=27), (n\(A^c\)=33) है, तो (n(U)) कितना होगा?

If \(A\cup A^c=U\), (n(A)=27), and (n\(A^c\)=33), what is (n(U))?

Explanation opens after your attempt
Correct Answer

A. (60)

Step 1

Concept

(A) and \(A^c\) are disjoint and form (U). Therefore (n(U)=27+33=60).

Step 2

Why this answer is correct

The correct answer is A. (60). (A) and \(A^c\) are disjoint and form (U). Therefore (n(U)=27+33=60).

Step 3

Exam Tip

(A) और \(A^c\) असंबद्ध होकर (U) बनाते हैं। इसलिए (n(U)=27+33=60) होगा।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(A\cup A^c=U\) और (n(A)=27), (n\(A^c\)=33) है, तो (n(U)) कितना होगा? / If \(A\cup A^c=U\), (n(A)=27), and (n\(A^c\)=33), what is (n(U))?

Correct Answer: A. (60). Explanation: (A) और \(A^c\) असंबद्ध होकर (U) बनाते हैं। इसलिए (n(U)=27+33=60) होगा। / (A) and \(A^c\) are disjoint and form (U). Therefore (n(U)=27+33=60).

Which concept should I revise for this Mathematics MCQ?

(A) and \(A^c\) are disjoint and form (U). Therefore (n(U)=27+33=60).

What exam hint can help solve this Mathematics question?

(A) और \(A^c\) असंबद्ध होकर (U) बनाते हैं। इसलिए (n(U)=27+33=60) होगा।