Three students `Aa n dBa n dC` are in a swimming race. `Aa n dB` have the same probability of winning and each is twice as likely to win as `Cdot` Find the probability that the `BorC` wins. Assume no two reach the winning point simultaneously.

If the probability of winning a race of an athlete is 1/6 less than the twice the probability of losing the race. Find the probability of winning the race.

Three hores A , B and C are in a race A, is twice as like to win as B and B is twice as like to win as C, what are their probabilities of wininng ?

The probabilities that three children can win a race are 1/3,1/4 and 1/5 . Find the probability that any one can win the race.

Three students A, B and C are to take part in a swimming competition. The probability of A's winning or B's winning each is 3 times the probability of C's winning. The probability of C 's winning if there is no tie is . (A) 4/7 (B) 3/7 (C) 2/7 (D) 1/7

A certain team wins with probability 0.7, loses with probability 0.2and ties with probability .1 the team plays three games. Find the probability that the team wins at least two of the games, but not lose.

5.In a swimming competition, only 3 students A, B and C are taking part. Theprobability of A's winning or the probability of B’s winning is three times theprobability of C's winning. The probability of the event either B or C to win is4) 7

Three candidates A, B, and C are going to play in a chess competition to win FIDE (World Chess Federation) cup this year. A is thrice as likely to win as B and B is twice as likely as to win C. Find the respective probability of A, B and C to win the cup.