5 5 votes A three-member committee has to be formed from a group of $9$ people. How many such distinct committees can be formed? $27$ $72$ $81$ $84$ Quantitative Aptitude gate2018-ce-2 quantitative-aptitude combinatory + – gatecse 615 points answer Follow See 1 comment 1 1 comment reply GO Classes 105 points commented Jun 6, 2025 i moved by Arjun May 18 Follow flag Answer here! replyShare
Best answer 9 9 votes Number of people in the committee $=3$ Number of people in the group $=9$ Out of $9$ people, number of ways to form three-member committee $=\binom{n}{r}=\binom{9}{3}=84$ Hence, the correct answer is (D). Lakshman Bhaiya answered May 28, 2019 • moved May 18 by Arjun Lakshman Bhaiya 7.1k points comment Share Follow 0 reply Please log in or register to add a comment.
0 0 votes three-member committee has to be formed from a group of 9 people 9C3 ways =84 ways ankit2024 answered Dec 31, 2025 • moved May 18 by Arjun ankit2024 21 points comment Share Follow 0 reply Please log in or register to add a comment.
0 0 votes 9C3 = 9! / 3!6! = 84 kp6602 answered Feb 19 kp6602 195 points comment Share Follow 0 reply Please log in or register to add a comment.