(8) तत्वों वाले समुच्चय के कम से कम (6) तत्वों वाले उपसमुच्चयों की संख्या कितनी है?
How many subsets with at least (6) elements does a set of (8) elements have?
Explanation opens after your attempt
D. (37)
Concept
Count subsets of sizes (6), (7), and (8). The sum is \(^{8}C_{6}+^{8}C_{7}+^{8}C_{8}=37\).
Why this answer is correct
The correct answer is D. (37). Count subsets of sizes (6), (7), and (8). The sum is \(^{8}C_{6}+^{8}C_{7}+^{8}C_{8}=37\).
Exam Tip
आकार (6), (7), और (8) के उपसमुच्चय गिनें। योग \(^{8}C_{6}+^{8}C_{7}+^{8}C_{8}=37\)।
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