[" 21.A man alternately tosses a coin and throws a diebeginning "],[" with the coin.The probability that he gets a head in the "],[" coin before he gets a "5" or "6" in the dice is "]

A man alternately tosses a coin and throws a die beginning with the coin. The probability that he gets a head in the coin before he gets a 5 or 6 on the die is

A man alternately tosses a coin and throw a dice, beginning with the coin. The probability that he gets a head in coin before he gets a 5 or 6 in dice, is

A man alternately tosses a coin and throw a dice, beginning with the coin. The probability that he gets a head in coin before he gets a 5 or 6 in dice, is

A man alternately tosses a coin and throws a die beginning with the coin.The probability that he gets a head in the coin before he gets a 5 or 6 in the dice is 3/4 b.1/2 c.1/3 d.none of these

A man alternately tosses a coin and throws a die beginning with the coin. The probability that he gets a head in the coin before he gets a 5 or 6 in the dice is 3//4 b. 1//2 c. 1//3 d. none of these

A man alternately tosses a coin and throws a die beginning with the coin. The probability that he gets a head in the coin before he gets a 5 or 6 in the dice is 3//4 b. 1//2 c. 1//3 d. none of these

A man alternately tosses a coin and throws a die beginning with the coin. The probability that he gets a head in the coin before he gets a 5 or 6 in the dice is 3//4 b. 1//2 c. 1//3 d. none of these

A man alternately tosses a coin and throws a die beginning with the coin. The probability that he gets a head in the coin before he gets a 5 or 6 in the dice is a. 3//4 b. 1//2 c. 1//3 d. none of these

A man alternately tosses a coin and throws a die continuously . The probability of his getting a head on the coin before he gets 4 on the die is

Find the probability of getting a head in a throw of a coin .