Results 1 to 2 of 2

Math Help - Permutations

  1. #1
    Junior Member
    Joined
    Dec 2007
    Posts
    64

    Permutations

    Helloe!

    How do I work out how many possible combinations I could get from any 5 numbers, e.g. 1, 2, 3, 4, 5

    E.g.

    12345
    21345
    23145
    23415
    23451
    etc
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor Mathstud28's Avatar
    Joined
    Mar 2008
    From
    Pennsylvania
    Posts
    3,641

    It would be

    Quote Originally Posted by Sweeties View Post
    Helloe!

    How do I work out how many possible combinations I could get from any 5 numbers, e.g. 1, 2, 3, 4, 5

    E.g.

    12345
    21345
    23145
    23415
    23451
    etc
    _5P_5=\frac{5!}{(5-5)!}=120
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Permutations
    Posted in the Discrete Math Forum
    Replies: 2
    Last Post: December 13th 2009, 06:10 AM
  2. Permutations
    Posted in the Discrete Math Forum
    Replies: 9
    Last Post: November 26th 2009, 10:55 PM
  3. Permutations
    Posted in the Discrete Math Forum
    Replies: 4
    Last Post: October 28th 2009, 03:27 PM
  4. permutations
    Posted in the Number Theory Forum
    Replies: 2
    Last Post: May 18th 2009, 02:38 AM
  5. Permutations
    Posted in the Advanced Algebra Forum
    Replies: 1
    Last Post: October 16th 2008, 07:59 PM

Search Tags


/mathhelpforum @mathhelpforum