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

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

anonymous · Answer

its A

anonymous · Answer

4*12

0_0youscareme · Answer

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

0_0youscareme · Answer

itz B.

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

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