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  1. B

    Perms and Combs Q

    I was thinking that... but that would mean that they are all the same rings. It says that the rings are all different, so would you times it by 6fact?
  2. B

    Perms and Combs Q

    In how many ways can you place 6 different rings on 4 fingers of a hand (excluding the thumb) if: a) Some fingers can be empty? b) None of the fingers can be empty? Can this be solved using stars and bars?
  3. B

    UBS Academy

    bro where tf do u go to apply legit cant find at all online
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