Hard Mathematics Sets Class 11 Level 7

यदि \(A={\varnothing,{\varnothing}}\) है तो निम्न में से कौन (A) का उपसमुच्चय नहीं है?

If \(A={\varnothing,{\varnothing}}\), which of the following is not a subset of (A)?

Explanation opens after your attempt
Correct Answer

D. \({\varnothing,{{\varnothing}}}\)

Step 1

Concept

Option D contains \({{\varnothing}}\) as an element, which is not in (A). In empty set questions count the braces carefully.

Step 2

Why this answer is correct

The correct answer is D. \({\varnothing,{{\varnothing}}}\). Option D contains \({{\varnothing}}\) as an element, which is not in (A). In empty set questions count the braces carefully.

Step 3

Exam Tip

विकल्प D में \({{\varnothing}}\) अवयव है जो (A) में नहीं है। रिक्त समुच्चय वाले प्रश्नों में कोष्ठकों की संख्या गिनें।

FAQs

Mathematics Question FAQs

What is the correct answer to this Mathematics MCQ?

The correct answer is D. \({\varnothing,{{\varnothing}}}\).

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