We can choose 5 players for team A in any of 15 ways. That's 15C5 = 3003 ways. We can then choose 5 players for team B in any of the remaining 10 ways. That's 10C5 = 252 ways. The remaining 5 players will automatically go to team C. That's 5C5 = 1 way. Answer 15C5*10C5*5C5 = 3003*252*1 = 756756 Edwin