Problem 11
Six friends who enjoy tennis decide to play a game of singles and a game
of doubl...
Mathematics, 23.08.2021 09:10 supergraciepie
Problem 11
Six friends who enjoy tennis decide to play a game of singles and a game
of doubles every day of the 7-week school holidays.
(a) Show that at least four of the games of singles will be between friends
playing each other for the fourth time.
(b) Show that at least four of the games of doubles will be between pairs
playing the same opposing pair for the second time.
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