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March 25, 2017

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A band has 25 new songs, how many different ways are there for the group to record a CD consisting of 12 songs chosen from 25 new songs. ( The order in which the songs appear on the CD is relevant).

  • Math - ,

    25*24*23*....14 or

    25!/(25-12)!

  • Math - ,

    11

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