(6) रंगों में से कम से कम (2) रंग चुनने के कितने तरीके हैं?
In how many ways can at least (2) colors be selected from (6) colors?
Explanation opens after your attempt
B. (57)
Concept
Total selections are \(2^6=64\). Removing (0) and (1) selections leaves (64-1-6=57) ways.
Why this answer is correct
The correct answer is B. (57). Total selections are \(2^6=64\). Removing (0) and (1) selections leaves (64-1-6=57) ways.
Exam Tip
कुल चयन \(2^6=64\) हैं। (0) और (1) चयन हटाने पर (64-1-6=57) तरीके बचते हैं।
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