(6) अलग सिक्कों में से non-empty selections की संख्या किस expression से मिलेगी?
Which expression gives the number of non-empty selections from (6) distinct coins?
Explanation opens after your attempt
Correct Answer
C. \(2^6-1\)
Concept
Total selections are \(2^6\) and the empty selection is removed. In exams subtract (1) for non-empty selections.
Why this answer is correct
The correct answer is C. \(2^6-1\). Total selections are \(2^6\) and the empty selection is removed. In exams subtract (1) for non-empty selections.
Exam Tip
कुल selections \(2^6\) हैं और खाली selection हटता है। परीक्षा में non-empty के लिए (1) घटाएँ।
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