यदि (n(\mathcal{P}(A))=8) है तो (n(A)) कितना होगा?

If (n(\mathcal{P}(A))=8) then what is (n(A))?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

Since \(8=2^3\), (n(A)=3). Match the power set size with \(2^n\) to find the original number.

Step 2

Why this answer is correct

The correct answer is B. (3). Since \(8=2^3\), (n(A)=3). Match the power set size with \(2^n\) to find the original number.

Step 3

Exam Tip

क्योंकि \(8=2^3\), इसलिए (n(A)=3) है। घात समुच्चय से मूल संख्या निकालते समय \(2^n\) मिलाएं।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(\mathcal{P}(A))=8) है तो (n(A)) कितना होगा? / If (n(\mathcal{P}(A))=8) then what is (n(A))?

Correct Answer: B. (3). Explanation: क्योंकि \(8=2^3\), इसलिए (n(A)=3) है। घात समुच्चय से मूल संख्या निकालते समय \(2^n\) मिलाएं। / Since \(8=2^3\), (n(A)=3). Match the power set size with \(2^n\) to find the original number.

Which concept should I revise for this Mathematics MCQ?

Since \(8=2^3\), (n(A)=3). Match the power set size with \(2^n\) to find the original number.

What exam hint can help solve this Mathematics question?

क्योंकि \(8=2^3\), इसलिए (n(A)=3) है। घात समुच्चय से मूल संख्या निकालते समय \(2^n\) मिलाएं।