There are 20 choices for the captain, and after the captain is chosen, there are 19 choices for the co-captain. However, since the order in which they are chosen does not matter, we need to divide by 2 (the number of ways to arrange 2 people). Therefore, the answer is:
$\dfrac{20\times 19}{2}=\boxed{190}.$
The answer is not listed.
How many different ways can a coach select the captain and cocaptain of a team from a group of 20 people?
A. 40
B. 160
C. 380
D. 420
1 answer