Question

If you’re good with permutations in math 30 please help and answer this easy question below real answers only

the number of different orders in which one can watch 3 videos if there are 15 different videos to choose from is

a) 6

b) 455

c) 45

d) 2730

Answer 1

Answer: d) 2730

Explanation:

1st movie and 2nd movie and 3rd movie

15 videos × 14 remaining videos × 13 remaining videos = 2730