Rosetail Rosetail

08-04-2024
Mathematics

contestada

(a) How many anagrams are there of the word NINETYNINE
(b) There are 24 people in the tennis club who want to play (individual) tennis. How many different
ways are there of pairing them up into 12 matches so that each member is in exactly one match?
(c) There are 24 people in the tennis club who want to play (doubles) tennis. How many different
ways are there of grouping them into 6 matches so that each player is playing in exactly one
match?

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