GATE Civil Engineering (CE) 2018 Shift 2 Solved Paper

Question : 3 of 65

Marks: +1, -0

A three-member committee has to be formed from a group of 9 people. How many such distinct committees can be formed?

Solution:

{ }^{9} C_{3}=\;{9 !}/{6 ! × 3 !}=\;{9 × 8 × 7}/{6}=84

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