How many different ways can a director select 4 actors from a group of 20 actors?

Question

asked Nov 7, 2019 169k views

1 Answer

Gareth Jeanne · Answer 1 · 2019-11-14T08:23:33+0000

Number of ways = 20C4
Number of ways = (20 x 19 x 18 x 17) ÷ (4 x 3 x 2 x 1)
Number of ways = 116280 ÷ 24
Number of ways = 4845.

Answer: 4845