Question : A fair die is tossed repeatedly. A wins if it is 1 or 2 on two consecutive tosses and B wins if it is 3, 4, 5 or 6 on two consecutive tosses. The probability that A wins if the die is tossed indefinitely is
(A) 1/3
(B) 5/21
(C) 1/4
(D) 2/5
Answer : option (B)
Solution :

