Tag: Speed Math


  1. Number divisible by 2,4,8,16../5,25,125..
    By:Kannan Ramamoorthy
    On:Wed 30 October 2013
    In:Mathematics

  2. X*(X+1)*100+25 – a perfect square
    By:Kannan Ramamoorthy
    On:Thu 24 October 2013
    In:Mathematics