Question: Eight friends go to watch a movie but only 5 tickets were available. In how many different ways can 5 people sit and watch the movie?
Options:
(A) 8C5
(B) 8*7*6*5*4
(C) 5!
(D) 8!/5!
(E) 8*5 Random thoughts:
Choosing 5 out of 8, when order matters P58, or choosing 5 out of 8, without order and then arranging: C585! The final answer: (B).