(10) वस्तुओं में से कम से कम एक वस्तु चुनने के तरीके कौन-से expression से मिलेंगे?
Which expression gives the ways to choose at least one object from (10) objects?
Explanation opens after your attempt
Correct Answer
B. \(2^{10}-1\)
Concept
Total selections are \(2^{10}\) and the empty selection must be removed. In exams subtract the empty case for at least one.
Why this answer is correct
The correct answer is B. \(2^{10}-1\). Total selections are \(2^{10}\) and the empty selection must be removed. In exams subtract the empty case for at least one.
Exam Tip
कुल selections \(2^{10}\) हैं और खाली selection हटाना है। परीक्षा में कम से कम एक के लिए empty case घटाएँ।
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