यदि \(A=\{1,2,3,4,5,6\}\), तो (P(A)) के कितने अवयवों में कम से कम (2) अवयव होंगे?

If \(A=\{1,2,3,4,5,6\}\), how many elements of (P(A)) have at least (2) elements?

Explanation opens after your attempt
Correct Answer

B. (57)

Step 1

Concept

Total subsets are (64), and empty plus (1)-element subsets are (1+6=7). Therefore (64-7=57).

Step 2

Why this answer is correct

The correct answer is B. (57). Total subsets are (64), and empty plus (1)-element subsets are (1+6=7). Therefore (64-7=57).

Step 3

Exam Tip

कुल उपसमुच्चय (64) हैं, खाली और (1)-अवयवी उपसमुच्चय (1+6=7) हैं। अतः (64-7=57)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3,4,5,6\}\), तो (P(A)) के कितने अवयवों में कम से कम (2) अवयव होंगे? / If \(A=\{1,2,3,4,5,6\}\), how many elements of (P(A)) have at least (2) elements?

Correct Answer: B. (57). Explanation: कुल उपसमुच्चय (64) हैं, खाली और (1)-अवयवी उपसमुच्चय (1+6=7) हैं। अतः (64-7=57)। / Total subsets are (64), and empty plus (1)-element subsets are (1+6=7). Therefore (64-7=57).

Which concept should I revise for this Mathematics MCQ?

Total subsets are (64), and empty plus (1)-element subsets are (1+6=7). Therefore (64-7=57).

What exam hint can help solve this Mathematics question?

कुल उपसमुच्चय (64) हैं, खाली और (1)-अवयवी उपसमुच्चय (1+6=7) हैं। अतः (64-7=57)।