Tennis players take part in a tournament. Every player plays twice with each of his opponents. How many games are to be played?
210
250
240
220
Explanation:
We can select two teams out of 15 in 15C2 ways. So each team plays with other team once.
Now to play two games, we have to conduct 15C2 x 2 = 210 games.
We can select two teams out of 15 in 15C2 ways. So each team plays with other team once.
Now to play two games, we have to conduct 15C2 x 2 = 210 games.