Question 1043362
There are 26 spade or diamond cards (out of 52), so the probability you draw one of these is 26/52 = 1/2

b) same answer 1/2

c) There are 4 fives and 13 clubs one of which is a five, so the number of distinct possibilities is 16. Divide by 52 and the probability is 16/52 = 4/13