(6) अलग-अलग सिक्कों में से कम से कम (1) सिक्का चुनने के कितने तरीके हैं?
In how many ways can at least (1) coin be selected from (6) different coins?
Explanation opens after your attempt
C. (63)
Concept
The ways for at least (1) selection are \(2^6-1=63\). Do not forget to subtract the empty selection.
Why this answer is correct
The correct answer is C. (63). The ways for at least (1) selection are \(2^6-1=63\). Do not forget to subtract the empty selection.
Exam Tip
कम से कम (1) चयन के तरीके \(2^6-1=63\) हैं। खाली चयन को घटाना न भूलें।
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