Subject: mathqa
Question: what is the probability that the sum of two dice will yield a 6 , and then when both are thrown again , their sum will again yield a 6 ? assume that each die has 5 sides with faces numbered 1 to 5 .
Option: 
A: 1 / 6
B: 1 / 3
C: 1 / 25
D: 1 / 12
Answer: C