(13) छात्रों में से (5) चुनने हैं, पर एक निश्चित छात्र न चुना जाए। कितने तरीके हैं?
From (13) students, (5) are to be selected, but one fixed student must not be selected. How many ways are possible?
Explanation opens after your attempt
A. (792)
Concept
Remove the forbidden student and choose (5) from (12). The number is \(^{12}C_{5}=792\).
Why this answer is correct
The correct answer is A. (792). Remove the forbidden student and choose (5) from (12). The number is \(^{12}C_{5}=792\).
Exam Tip
न चुने जाने वाले छात्र को हटाकर (12) में से (5) चुनें। संख्या \(^{12}C_{5}=792\)।
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