(9) सदस्यों में से (3) सदस्यों की समिति बनानी है जिसमें एक निश्चित सदस्य शामिल न हो। कितने तरीके हैं?
A committee of (3) members is to be formed from (9) members excluding one fixed member. How many ways are there?
Explanation opens after your attempt
A. (56)
Concept
After excluding one member, (8) members remain. Therefore there are \(\binom{8}{3}=56\) ways.
Why this answer is correct
The correct answer is A. (56). After excluding one member, (8) members remain. Therefore there are \(\binom{8}{3}=56\) ways.
Exam Tip
एक सदस्य हटाने पर (8) सदस्य बचते हैं। इसलिए \(\binom{8}{3}=56\) तरीके हैं।
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