यदि \(A=\{a,b,c\}\), तो (\mathcal{P}(A)) के कितने तत्व (A) से असंयुक्त हैं?

If \(A=\{a,b,c\}\), how many elements of (\mathcal{P}(A)) are disjoint from (A)?

Explanation opens after your attempt
Correct Answer

A. (1)

Step 1

Concept

Among subsets of (A), only \(\varnothing\) is disjoint from (A). Disjoint means having no common element.

Step 2

Why this answer is correct

The correct answer is A. (1). Among subsets of (A), only \(\varnothing\) is disjoint from (A). Disjoint means having no common element.

Step 3

Exam Tip

(A) के उपसमुच्चयों में केवल \(\varnothing\) ही (A) से असंयुक्त है। असंयुक्त का अर्थ साझा तत्व न होना है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{a,b,c\}\), तो (\mathcal{P}(A)) के कितने तत्व (A) से असंयुक्त हैं? / If \(A=\{a,b,c\}\), how many elements of (\mathcal{P}(A)) are disjoint from (A)?

Correct Answer: A. (1). Explanation: (A) के उपसमुच्चयों में केवल \(\varnothing\) ही (A) से असंयुक्त है। असंयुक्त का अर्थ साझा तत्व न होना है। / Among subsets of (A), only \(\varnothing\) is disjoint from (A). Disjoint means having no common element.

Which concept should I revise for this Mathematics MCQ?

Among subsets of (A), only \(\varnothing\) is disjoint from (A). Disjoint means having no common element.

What exam hint can help solve this Mathematics question?

(A) के उपसमुच्चयों में केवल \(\varnothing\) ही (A) से असंयुक्त है। असंयुक्त का अर्थ साझा तत्व न होना है।