(12) कर्मचारियों में से (5) की समिति बनानी है जिसमें एक निश्चित कर्मचारी अवश्य शामिल हो। कितने तरीके हैं?
A committee of (5) is to be formed from (12) employees with one fixed employee included. How many ways are there?
Explanation opens after your attempt
A. (330)
Concept
One employee is already selected, so choose the remaining (4) from (11). The ways are \(\binom{11}{4}=330\).
Why this answer is correct
The correct answer is A. (330). One employee is already selected, so choose the remaining (4) from (11). The ways are \(\binom{11}{4}=330\).
Exam Tip
एक कर्मचारी पहले से चुना है इसलिए बाकी (4) कर्मचारी (11) में से चुनेंगे। तरीके \(\binom{11}{4}=330\) हैं।
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