Take one lottery ticket. The chances of correctly selecting a winning number as the first number are 1/60. For the second number 1/59, third 1/58, fourth 1/57, fifth 1/56. Multiply these together to get the chances of 5 winning numbers. There are 120 ways of arranging 5 numbers so, since order doesn't matter, we calculate: 120 times this chance =0.0000001831 approx (1 in 5,461,512). More to follow...