यदि \(A=\{0,1,2,3\}\), तो (\mathcal{P}(A)) में वे कितने तत्व हैं जिनका योग (3) है?
If \(A=\{0,1,2,3\}\), how many elements of (\mathcal{P}(A)) have sum (3)?
Explanation opens after your attempt
C. (4)
Concept
The subsets with sum (3) are ({3},{0,3},{1,2},{0,1,2}). Hence there are (4).
Why this answer is correct
The correct answer is C. (4). The subsets with sum (3) are ({3},{0,3},{1,2},{0,1,2}). Hence there are (4).
Exam Tip
योग (3) वाले उपसमुच्चय ({3},{0,3},{1,2},{0,1,2}) हैं। इसलिए कुल (4) हैं।
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