यदि (A) के कुल उपसमुच्चय 64 हैं, तो (A) में कितने अवयव हैं?

If (A) has 64 subsets, how many elements does (A) have?

Explanation opens after your attempt
Correct Answer

B. 6

Step 1

Concept

Total subsets are \(2^n=64\), so (n=6). Recognising powers is the quick method.

Step 2

Why this answer is correct

The correct answer is B. 6. Total subsets are \(2^n=64\), so (n=6). Recognising powers is the quick method.

Step 3

Exam Tip

कुल उपसमुच्चय \(2^n=64\) हैं, इसलिए (n=6)। घातों को पहचानना तेज तरीका है।

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Mathematics Answer, Explanation and Revision Hints

यदि (A) के कुल उपसमुच्चय 64 हैं, तो (A) में कितने अवयव हैं? / If (A) has 64 subsets, how many elements does (A) have?

Correct Answer: B. 6. Explanation: कुल उपसमुच्चय \(2^n=64\) हैं, इसलिए (n=6)। घातों को पहचानना तेज तरीका है। / Total subsets are \(2^n=64\), so (n=6). Recognising powers is the quick method.

Which concept should I revise for this Mathematics MCQ?

Total subsets are \(2^n=64\), so (n=6). Recognising powers is the quick method.

What exam hint can help solve this Mathematics question?

कुल उपसमुच्चय \(2^n=64\) हैं, इसलिए (n=6)। घातों को पहचानना तेज तरीका है।