Shreyas Nair

CAT Preparation Community 2y ago

Alice and Barry play a game in which they alternately toss a fair coin, beginning with Alice. Alice will win the game if she has a toss in which the coin lands facedown BEFORE Barry has a toss in which the coin lands faceup, and Barry will win the game if he has a toss in which the coin lands faceup BEFORE Alice has a toss in which the coin lands facedown. What is the probability that Barry will win the game? A. 1/4 B. 5/16 C. 1/3 D. 1/2 E. 2/3