A committee of (5) is to be formed from (12) employees with one fixed employee included. How many ways are there?(12) कर्मचारियों में से (5) की समिति बनानी है जिसमें एक निश्चित कर्मचारी अवश्य शामिल हो। कितने तरीके हैं?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (330)(330)
One employee is already selected, so choose the remaining (4) from (11). The ways are (\binom{11}{4}=330).एक कर्मचारी पहले से चुना है इसलिए बाकी (4) कर्मचारी (11) में से चुनेंगे। तरीके (\binom{11}{4}=330) हैं।
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