यदि \(A=\{a,b,c,d,e\}\), तो (a) को शामिल न करने वाले उचित उपसमुच्चयों की संख्या कितनी है?

If \(A=\{a,b,c,d,e\}\), how many proper subsets do not contain (a)?

Explanation opens after your attempt
Correct Answer

C. (16)

Step 1

Concept

After excluding (a), (4) elements remain, giving \(2^4=16\) subsets. All of them are proper subsets of (A).

Step 2

Why this answer is correct

The correct answer is C. (16). After excluding (a), (4) elements remain, giving \(2^4=16\) subsets. All of them are proper subsets of (A).

Step 3

Exam Tip

(a) को हटाकर (4) सदस्य बचते हैं, जिनके \(2^4=16\) उपसमुच्चय हैं। ये सभी (A) के उचित उपसमुच्चय हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{a,b,c,d,e\}\), तो (a) को शामिल न करने वाले उचित उपसमुच्चयों की संख्या कितनी है? / If \(A=\{a,b,c,d,e\}\), how many proper subsets do not contain (a)?

Correct Answer: C. (16). Explanation: (a) को हटाकर (4) सदस्य बचते हैं, जिनके \(2^4=16\) उपसमुच्चय हैं। ये सभी (A) के उचित उपसमुच्चय हैं। / After excluding (a), (4) elements remain, giving \(2^4=16\) subsets. All of them are proper subsets of (A).

Which concept should I revise for this Mathematics MCQ?

After excluding (a), (4) elements remain, giving \(2^4=16\) subsets. All of them are proper subsets of (A).

What exam hint can help solve this Mathematics question?

(a) को हटाकर (4) सदस्य बचते हैं, जिनके \(2^4=16\) उपसमुच्चय हैं। ये सभी (A) के उचित उपसमुच्चय हैं।