यदि \(A\subseteq U\) और \(A'= \varnothing\) है, तो कौन सा निष्कर्ष सही है?

If \(A\subseteq U\) and \(A'= \varnothing\), which conclusion is correct?

Explanation opens after your attempt
Correct Answer

B. (A=U)

Step 1

Concept

If the complement is empty, no element of (U) lies outside (A). Therefore (A=U).

Step 2

Why this answer is correct

The correct answer is B. (A=U). If the complement is empty, no element of (U) lies outside (A). Therefore (A=U).

Step 3

Exam Tip

पूरक खाली है तो (U) में (A) के बाहर कोई तत्व नहीं है। इसलिए (A=U) होगा।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A\subseteq U\) और \(A'= \varnothing\) है, तो कौन सा निष्कर्ष सही है? / If \(A\subseteq U\) and \(A'= \varnothing\), which conclusion is correct?

Correct Answer: B. (A=U). Explanation: पूरक खाली है तो (U) में (A) के बाहर कोई तत्व नहीं है। इसलिए (A=U) होगा। / If the complement is empty, no element of (U) lies outside (A). Therefore (A=U).

Which concept should I revise for this Mathematics MCQ?

If the complement is empty, no element of (U) lies outside (A). Therefore (A=U).

What exam hint can help solve this Mathematics question?

पूरक खाली है तो (U) में (A) के बाहर कोई तत्व नहीं है। इसलिए (A=U) होगा।