यदि (A) में (4) तत्व हैं, तो (A) के अरिक्त उचित उपसमुच्चयों की संख्या कितनी होगी?

If (A) has (4) elements, how many non-empty proper subsets does (A) have?

Explanation opens after your attempt
Correct Answer

A. (14)

Step 1

Concept

Total subsets are \(2^4=16\). Removing \(\varnothing\) and (A) leaves (14) non-empty proper subsets.

Step 2

Why this answer is correct

The correct answer is A. (14). Total subsets are \(2^4=16\). Removing \(\varnothing\) and (A) leaves (14) non-empty proper subsets.

Step 3

Exam Tip

कुल उपसमुच्चय \(2^4=16\) हैं। \(\varnothing\) और (A) को हटाने पर (14) अरिक्त उचित उपसमुच्चय बचते हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि (A) में (4) तत्व हैं, तो (A) के अरिक्त उचित उपसमुच्चयों की संख्या कितनी होगी? / If (A) has (4) elements, how many non-empty proper subsets does (A) have?

Correct Answer: A. (14). Explanation: कुल उपसमुच्चय \(2^4=16\) हैं। \(\varnothing\) और (A) को हटाने पर (14) अरिक्त उचित उपसमुच्चय बचते हैं। / Total subsets are \(2^4=16\). Removing \(\varnothing\) and (A) leaves (14) non-empty proper subsets.

Which concept should I revise for this Mathematics MCQ?

Total subsets are \(2^4=16\). Removing \(\varnothing\) and (A) leaves (14) non-empty proper subsets.

What exam hint can help solve this Mathematics question?

कुल उपसमुच्चय \(2^4=16\) हैं। \(\varnothing\) और (A) को हटाने पर (14) अरिक्त उचित उपसमुच्चय बचते हैं।