Solution by Dasaru
If you imply trying to win at a government lottery, then there is nothing at all that you can do to tip the odds in your favor. It's all at random. A sound background in stats/probability and mathematics can aid you figure out your odds of winning. Otherwise, if you are talking about Casino type games, then it genuinely depends on the game. There are many books about this subject. You can discover most of these books at your nearby library.
What do you believe? Solution under!
by net_efekt