In a really race there are give teams, A, B, C, D and E i.                What is the probability that A, B, and C finish first, second and third respectively. ii.              What is the probability that A, B and C are first three to finish (in any order).

In a relay race there are five teams A. B, C. D and E.(a) What is the probability that A. B and C finish first, second and third, respectively.(b) What is the probability that A. B and C are first three to finish (in any order) (Assume that all finishing orders are equally likely).

On her vacations Veena visits four cities A, B, C and D in a random order. What is the probability that she visits: A before B?

In a horse -race, the probabilities to win the race for three horses A,B and C are 1/4,1/5 and 1/6 respectively. Find the probability to win the race of any one horse.

The probability that a student will receive A, B, C or D grade or 0.40, 0.3, 0.1 and 0.10 respectively. Find the probability that a student will receive. i. B or C grade ii. at most C grade.

Three player A, B and C , toss a coin cyclically in that order (that is A, B, C, A, B, C, A, B,... ) till a headshows. Let p be the probability that the coin shows a head. Let alpha, beta and gamma be, respectively, the probabilities that A, B and C gets the first head. Then determine alpha, beta and gamma (in terms of p).

A is targeting to B, B and C are targeting to A. probability of hitting the target by A, B and C are 2/3, 1.2 and 1/3, respectively. If A is hit, then find the Probability that B hits the target and C does not.

A machine operates only when all of its three components function. The probabilities of the failures of the first, second and third components are 0.14,0.10 and 0.05 respectively. What is the probability that the machine will fail.

If the first three terms of an A.P are b, c and 2b, then find the ratio of b and c

Write the rate law expression for the reaction A+B+C to D +E , if the order of reaction is first second and zero with respect to A, B and C, respectively.

Four pool balls - A, B, C, D - are randomly arranged in a striaght line. What is the probability that the order will actually be A, B, C, D ?