There is an intersting thing called the mind reader which literally reads our mind. For the first time its very amazing to see things happen but after sometime I understood the trick and its so easy. However for the first time its amazing and let see if you could understand the trick. Here is the link. http://gyanbook.blogspot.in/2012/04/mind-reader.html
lol, nice math magic~the trick is that any result u get cannot escape from the numbers which has 9 as its factor.