यदि \(U=\{3,6,9,12\}\) और (A=U) है तो (A') में कितने तत्व हैं?

If \(U=\{3,6,9,12\}\) and (A=U), how many elements are in (A')?

Explanation opens after your attempt
Correct Answer

A. (0)

Step 1

Concept

When (A=U), no element remains outside (A) in (U). Therefore (A') is empty.

Step 2

Why this answer is correct

The correct answer is A. (0). When (A=U), no element remains outside (A) in (U). Therefore (A') is empty.

Step 3

Exam Tip

जब (A=U) होता है तो (U) में (A) से बाहर कोई तत्व नहीं बचता। इसलिए (A') रिक्त है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U=\{3,6,9,12\}\) और (A=U) है तो (A') में कितने तत्व हैं? / If \(U=\{3,6,9,12\}\) and (A=U), how many elements are in (A')?

Correct Answer: A. (0). Explanation: जब (A=U) होता है तो (U) में (A) से बाहर कोई तत्व नहीं बचता। इसलिए (A') रिक्त है। / When (A=U), no element remains outside (A) in (U). Therefore (A') is empty.

Which concept should I revise for this Mathematics MCQ?

When (A=U), no element remains outside (A) in (U). Therefore (A') is empty.

What exam hint can help solve this Mathematics question?

जब (A=U) होता है तो (U) में (A) से बाहर कोई तत्व नहीं बचता। इसलिए (A') रिक्त है।