New Batches at TathaGat Delhi & Noida!               Directions to CP centre
Re: number
by rudrendra Kashyap - Sunday, 31 August 2014, 09:17 AM
  6666....n times ^2 + 8888....n times
=36(1111....n times)^2 + 8888....n times
36(....4321) + 88888....n times
(....556)+8888.....n times
so ans is 4