Bag X contains five one-rupee coins, four five rupee coins. Bag Y contains 4 one rupee and 5 five rupees. Bag Z contains 3 one-rupee coin and 6 five rupee coins. If 1 rupee coin is selected at random, what is the probability it is drown from bag Y?
(1) 1/3
(2) 1/4
(3) 1/5
(4) 1/6
