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Jun 09'24

Exercise

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A symphony orchestra has in its repertoire 30 Haydn

symphonies, 15 modern works, and 9 Beethoven symphonies. Its program always consists of a Haydn symphony followed by a modern work, and then a Beethoven symphony.

  • How many different programs can it play?
  • How many different programs are there if the three pieces can be played in any order?
  • How many different three-piece programs are there if more than one piece from the same category can be played and they can be played in any order?