## anonymous one year ago 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

1. anonymous

its A

2. anonymous

4*12

3. 0_0youscareme
4. 0_0youscareme

itz B.

5. anonymous

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

6. anonymous

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

7. anonymous

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