Lottery mathematics Lottery mathematics Lottery mathematics is used to calculate probabilities of winning or losing a lottery game. It is based heavily on combinatorics, particularly the twelvefold way and combinations without replacement. In a typical 6/49 game, each player chooses six distinct numbers from a range of 1-49. If the six numbers on a ticket match the numbers drawn by the lottery, the ticket holder is a jackpot winner—regardless of the order of the numbers. The probability of this happening is 1 in 13,983,816. The chance of winning can be demonstrated as follows: The first number drawn has a 1 in 49
South African National Lottery November 2003 the Lotto Plus game was launched, acting as a supplementary weekly lottery available on the purchase of a primary lottery ticket, with an entry fee of R1. In July 2006 the Gidani consortium, featuring Greek company Intralot as a technical partner, was judged the preferred bidder to operate the lottery for seven years starting April 2007. The operating licence was awarded in October 2006. In March 2007 the Pretoria High Court set aside that award on application by incumbent Uthingo, finding that the failure to adequately investigate the shareholders in some bidding consortia left room for conflicts of