Question 1130638
sum equal to 6 has probability (5/36)
7--1/6 or 6/36
8--5/36
9--4/36
10--3/36
11--2/36
12--1/36
answer to a is 26/36 or 13/18
divisible by 5 includes 5 and 10.  This probability is 4/36 and 3/36
by 6 includes 6 and 12 with probability 5/36 and 1/36.  Those probabilities are 13/36 when all added.