यदि \(A=\{1,2,3\}\), तो (P(A)-{\varnothing,A}) में कितने अवयव होंगे?

If \(A=\{1,2,3\}\), how many elements are in (P(A)-{\varnothing,A})?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

(P(A)) has (8) elements, and removing \(\varnothing\) and (A) leaves (8-2=6). These are non-empty proper subsets.

Step 2

Why this answer is correct

The correct answer is C. (6). (P(A)) has (8) elements, and removing \(\varnothing\) and (A) leaves (8-2=6). These are non-empty proper subsets.

Step 3

Exam Tip

(P(A)) में (8) अवयव हैं और \(\varnothing\) तथा (A) हटाने पर (8-2=6) बचते हैं। ये गैर-रिक्त उचित उपसमुच्चय हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3\}\), तो (P(A)-{\varnothing,A}) में कितने अवयव होंगे? / If \(A=\{1,2,3\}\), how many elements are in (P(A)-{\varnothing,A})?

Correct Answer: C. (6). Explanation: (P(A)) में (8) अवयव हैं और \(\varnothing\) तथा (A) हटाने पर (8-2=6) बचते हैं। ये गैर-रिक्त उचित उपसमुच्चय हैं। / (P(A)) has (8) elements, and removing \(\varnothing\) and (A) leaves (8-2=6). These are non-empty proper subsets.

Which concept should I revise for this Mathematics MCQ?

(P(A)) has (8) elements, and removing \(\varnothing\) and (A) leaves (8-2=6). These are non-empty proper subsets.

What exam hint can help solve this Mathematics question?

(P(A)) में (8) अवयव हैं और \(\varnothing\) तथा (A) हटाने पर (8-2=6) बचते हैं। ये गैर-रिक्त उचित उपसमुच्चय हैं।