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

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

Explanation opens after your attempt
Correct Answer

B. (A=U)

Step 1

Concept

(A') being empty means there is no element of (U) outside (A). Hence (A) and (U) are equal.

Step 2

Why this answer is correct

The correct answer is B. (A=U). (A') being empty means there is no element of (U) outside (A). Hence (A) and (U) are equal.

Step 3

Exam Tip

(A') खाली होने का अर्थ है कि (U) में (A) के बाहर कोई तत्व नहीं है। इसलिए (A) और (U) समान हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A\subseteq U\) और \(A'= \varnothing\) है, तो सही निष्कर्ष क्या है? / If \(A\subseteq U\) and \(A'= \varnothing\), what is the correct conclusion?

Correct Answer: B. (A=U). Explanation: (A') खाली होने का अर्थ है कि (U) में (A) के बाहर कोई तत्व नहीं है। इसलिए (A) और (U) समान हैं। / (A') being empty means there is no element of (U) outside (A). Hence (A) and (U) are equal.

Which concept should I revise for this Mathematics MCQ?

(A') being empty means there is no element of (U) outside (A). Hence (A) and (U) are equal.

What exam hint can help solve this Mathematics question?

(A') खाली होने का अर्थ है कि (U) में (A) के बाहर कोई तत्व नहीं है। इसलिए (A) और (U) समान हैं।