Question

Two fair sided dice are thrown simultaneously. what is the probability that the sum of the numbers obtained is a multiple of 3

Answer 1

No.of favourable outoutcomes =(1,2), (1,6), (2,1), (2,4), (3,3),(3,6), (4,2), (4,5), (5,1), (5,4), (6,3), (6,6)=12
Total number of possible outcome =36
P (sum are the multiple of 3)=12/36=1/3