Results 1 to 2 of 2

Math Help - Divisible by 11

  1. #1
    Junior Member
    Joined
    Feb 2009
    Posts
    33

    Divisible by 11

    Show that a positive integer is divisible by 11 if and only if the difference of the sum of its decimal digits in even-numbered positions and the sum of its decimal digits in odd-numbered positions is divisible by 11.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    o_O
    o_O is offline
    Primero Espada
    o_O's Avatar
    Joined
    Mar 2008
    From
    Canada
    Posts
    1,407
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 5
    Last Post: February 20th 2013, 10:32 AM
  2. Divisible by 9
    Posted in the Number Theory Forum
    Replies: 11
    Last Post: August 17th 2011, 03:48 AM
  3. Replies: 8
    Last Post: July 3rd 2011, 04:55 PM
  4. Replies: 1
    Last Post: May 8th 2010, 12:49 AM
  5. Replies: 5
    Last Post: January 1st 2010, 02:59 AM

Search Tags


/mathhelpforum @mathhelpforum