(6) डॉक्टरों और (4) नर्सों में से (4) लोगों की टीम बनानी है जिसमें डॉक्टरों की संख्या नर्सों से अधिक हो। कितने तरीके हैं?
From (6) doctors and (4) nurses a team of (4) people is to be formed with more doctors than nurses. How many ways are there?
Explanation opens after your attempt
B. (105)
Concept
The cases are (3) doctors (1) nurse and (4) doctors. The total is \(\binom{6}{3}\binom{4}{1}+\binom{6}{4}=95\).
Why this answer is correct
The correct answer is B. (105). The cases are (3) doctors (1) nurse and (4) doctors. The total is \(\binom{6}{3}\binom{4}{1}+\binom{6}{4}=95\).
Exam Tip
मामले (3) डॉक्टर (1) नर्स और (4) डॉक्टर हैं। कुल \(\binom{6}{3}\binom{4}{1}+\binom{6}{4}=95\) है।
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