Question

How many ways can a committee chairman choose 4 people for a subcommittee if there are 12 members on the whole committee?


A.
48


B.
495


C.
11,880


D.
20,736

Answer 1

its A

Answer 2

4*12

Answer 3

http://openstudy.com/study#/updates/52d78848e4b0cb9c2bfcdcf5

Answer 4

itz B.

Answer 5

correct answer is B,
there are total 12 people and the subcommittee consist 4 people so this can be done by applying the formula of combinations

Answer 6

the formula is
\[\frac{ n! }{ (n-r)!r! }\]

Answer 7

n is total no of people and r is the no of members of subcommittee