यदि \(A=\{1,2,{3}\}\), तो कौन सा कथन सही है?

If \(A=\{1,2,{3}\}\), which statement is correct?

Explanation opens after your attempt
Correct Answer

B. \({3}\in A\)

Step 1

Concept

Here ({3}) itself is an element of (A), not 3. Keep element and subset ideas separate.

Step 2

Why this answer is correct

The correct answer is B. \({3}\in A\). Here ({3}) itself is an element of (A), not 3. Keep element and subset ideas separate.

Step 3

Exam Tip

यहां ({3}) स्वयं (A) का अवयव है, 3 नहीं। अवयव और उपसमुच्चय में अंतर ध्यान रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,{3}\}\), तो कौन सा कथन सही है? / If \(A=\{1,2,{3}\}\), which statement is correct?

Correct Answer: B. \({3}\in A\). Explanation: यहां ({3}) स्वयं (A) का अवयव है, 3 नहीं। अवयव और उपसमुच्चय में अंतर ध्यान रखें। / Here ({3}) itself is an element of (A), not 3. Keep element and subset ideas separate.

Which concept should I revise for this Mathematics MCQ?

Here ({3}) itself is an element of (A), not 3. Keep element and subset ideas separate.

What exam hint can help solve this Mathematics question?

यहां ({3}) स्वयं (A) का अवयव है, 3 नहीं। अवयव और उपसमुच्चय में अंतर ध्यान रखें।