An unbiased coin is tossed 6 times. The probability that third head appears on the sixth trial is a.`5//16` b. `5//32` c. `5//8` d. `5//64`

If 10 coins are tossed, find the probability that exactly 5 heads appears.

A fair coin is tossed 10 times. Then the probability that two heads do not occur consecutively is a. 7//64 b. 1//8 c. 9//16 d. 9//64

It a fair coin is tossed 6 times, what is the probability of getting at least 3 heads?

If a fair coin is tossed 5 times, the porbability that heads does not occur two or more times in a row is

A fair coin is tossed 100 times. The probability of getting tails 1, 3, .., 49 times is 1//2 b. 1//4 c. 1//8 d. 1//16

A composite number is selected at random from the first 30 natural numbers and it is divided by 5. The probability that there will be remainder is 14//19 b. 5//19 c. 5//6 d. 7//15

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 fair die is tossed repeatedly. A wins if if 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

Two players toss 4 coins each. The probability that they both obtain the same number of heads is a. 5//256 b. 1//16 c. 35//128 d. none of these

If A and B each toss three coins. The probability that both get the same number of heads is (a) 1/9 (b) 3/16 (c) 5/16 (d) 3/8