http://coalindia.org/orca/topic/Maths-Magic-2009-03-08.htm Maths Magic Sat, 7 Mar 2009 18:43:52 GMT http://coalindia.org/orca/topic/Maths-Magic-2009-03-08.htm think any number between 1-1000(dont say) Sat, 7 Mar 2009 18:43:52 GMT http://coalindia.org/orca/topic/Maths-Magic-2009-03-08.htm#265