Abdulla Master | Next Rank: 500 Posts View User Profile Posts: 328 Joined: Thu Aug 07, 2008 5:25 pm Location: Philadelphia Thanked: 4 times GMAT Score:550 Digits by Abdulla » Wed Nov 04, 2009 8:39 pm If m and n are both two-digit numbers, and m-n = 11x, is x an integer? (1) The tens digit and the units digit of m are the same. (2) m + n is a multiple of 11. OA is C Abdulla Top Quote
