Expert Mathematics Sets Class 11 Level 8

यदि \(A=\{p,q,r,s,t\}\) है, तो (p) को न शामिल करने वाले उपसमुच्चयों की संख्या कितनी है?

If \(A=\{p,q,r,s,t\}\), how many subsets do not contain (p)?

Explanation opens after your attempt
Correct Answer

B. (16)

Step 1

Concept

After excluding (p), (4) elements remain free. Thus \(2^4=16\) subsets are possible.

Step 2

Why this answer is correct

The correct answer is B. (16). After excluding (p), (4) elements remain free. Thus \(2^4=16\) subsets are possible.

Step 3

Exam Tip

(p) हटाने के बाद (4) सदस्य स्वतंत्र रहते हैं। इसलिए \(2^4=16\) उपसमुच्चय बनते हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{p,q,r,s,t\}\) है, तो (p) को न शामिल करने वाले उपसमुच्चयों की संख्या कितनी है? / If \(A=\{p,q,r,s,t\}\), how many subsets do not contain (p)?

Correct Answer: B. (16). Explanation: (p) हटाने के बाद (4) सदस्य स्वतंत्र रहते हैं। इसलिए \(2^4=16\) उपसमुच्चय बनते हैं। / After excluding (p), (4) elements remain free. Thus \(2^4=16\) subsets are possible.

Which concept should I revise for this Mathematics MCQ?

After excluding (p), (4) elements remain free. Thus \(2^4=16\) subsets are possible.

What exam hint can help solve this Mathematics question?

(p) हटाने के बाद (4) सदस्य स्वतंत्र रहते हैं। इसलिए \(2^4=16\) उपसमुच्चय बनते हैं।

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