A and B throw a pair of dice alternately. A wins the game if he gets a total of 7 and B wins the game if he gets a total of 10. If A starts the game, then find the probability that B wins.

A and B throw a pair of dice alternately. A wins the game, if he gets a total of 6 anfd B wins, if she gets a total of 7. If a starts the game, then find the probabbility of winning the game by A in third throw of the pair of dice.

A and B throw a pair of dice alternatively,till one of them gets a total of 10 and wins the game.Find their respective probabilities of winning,if A starts first.

A and B toss a coin alternately till one of them gets a head and wins the game. If A starts the game, find the probability that B will win the game.

A and B throw a die alternatively till one of them gets a 6 and wins the game.Find their respective probabilities of winning,if A starts first.

(i) A and B toss a coin alternately till one of them tosses a head and wins the game. If A starts the game, find their respective probability of winning. (ii) A and B throw a coin alternately till one of them gets a 'head' and wins the game. If A starts the game, find the probability of his winning at his third throw.

Two persons A and B throw a die alternatively till one of them gets a three and wins the game. Find their respective probabilites of winning.

A and B alternately throw with a pair of dice. Who gets a sum of 7 points 1 th will win the game.If A starts the game,the probability of his winning is