A gambler throws two unbiased dice and stands to loss Rs 5 if he fails to throwl a 5 to win Rs 10 if he throws on e five and to win Rs 25 if he throws fives is the game fair ?

A gambler rolls two unbiased dice and stands to loss Rs 2 if he fails to throw a six to win Rs 4 if he throws one six and to win Rs 10 if he throws two sixes is the game fair ?

In a throw of two unbiased dice, a boy gets a total of 5. Find the probability that he will not get a total of 5 in the next throw.

A and B play alternately with a pair of unbiased dice. A wins if he throws 6 before B throws 7 and B wins if he throws 7 before A throws 6. If A begins, show that his chance of winning is (30)/(61) .

A and B throw two dice simultaneously turn by turn. A will win if he throws a total of 5, B will win if he throws a doublet. Find the probability that B will win the game, though A started the game .

A and B throw a pair of dice. A wins if the throws 6 before B throws 7 and B wins if he throws 7 throws 6. If A begins, his chance of winning is

In a game, a man wins Rs 100 if he gets 5 or 6 on a throw of a fair die and loses Rs 50 for getting any other number on the die. If he decides to throw the die either till he gets a five or a six or to a maximum of three throws, then his expected gain/loss (in rupees) is:

A person throws two pair dice. He wins Rs. 15 for throwing a doublet (same numbers on the two dice), wins Rs. 12 when the throw results in the sum of 9, and loses Rs.6 for any other outcome on the throw. Then the expected gain/loss (in Rs.) of the person is:

A and B throw alternately a pair of dice.A wins if he throws 6 before B throws 7 and B wins if he throws 7 before A throws 6. Find their respective chance of winning,if A begins.

In a game, a man wins Rs 100 if he gets 5 or 6 on a throw of a fair die and loses Rs 50 for getting any other number on the die. If he decides to throw the die either till he gets a five or a six or to a maximum of three throws, then his expected gain/loss (in rupees) is: (a) 400/3 gain (b) 400/9 loss (c) 0 (d) 400/3 loss

In a game, a man wins Rs 100 if he gets 5 or 6 on a throw of a fair die and loses Rs 50 for getting any other number on the die. If he decides to throw the die either till he gets a five or a six or to a maximum of three throws, then his expected gain/loss (in rupees) is: (a) 400/3 gain (b) 400/9 loss (c) 0 (d) 400/3 loss