1. ## Combinatorics problem

Okay, so i have this problem;
Five friends are sitting at a round table, how many possibilities are there?
I tried the P formula and faculty, but i'm stuck...

2. ## Re: Combinatorics problem

Originally Posted by controlsystem
Okay, so i have this problem;
Five friends are sitting at a round table, how many possibilities are there?
I tried the P formula and faculty, but i'm stuck...
N different items in a circular arrangement can be done in $(N-1)!$ ways.

Thank you