Posted by Samantha on Tuesday, May 1, 2012 at 9:34pm.
Multiples of 5 = 5, 10, 15, 20, 25, 30, 35, 40 = 8/40
After picking the 5, there are only 39 tags for the second draw = 9, 18, 27, 36 = 4/39
Probability of all/both events occurring is found by multiplying probabilities of the individual events.
8/40 * 4/39 = ?
5/195
4/195 is the answer