Five horses are in a race. Mr. A selects two of the horses at random and bets on them. The probability that Mr. A selected the winning horse is `3//5` b. `1//5` c. `2//5` d. `4//5`

Five horses are in race. Mr. X selected two of horses at random and bets on them. The probability that Mr. X selected the winning horse is

Five horses are in a race.Mr.A selects two of the horses at random and bets on them.The probability that Mr.A selected the winning horse is (A) (3)/(5) (B) (1)/(5) (C) (2)/(5) (D) (4)/(5)

In a horse race the odds in favour of three horses are 1 : 2, 1 : 3 and 1 : 4. The probability that one of the horse will win the race is

In a horse race the odds in favour of three horses are 1 : 2, 1 : 3 and 1 : 4. The probability that one of the horse will win the race is

In a horse race the odds in favour of three horses are 1 : 2, 1 : 3 and 1 : 4. The probability that one of the horse will win the race is

(n>=5) persons are sitting in a row.Three of these are selected at random.The probability that no two of the selected persons sit together is

From the set S={1,2,3,4,5} , three digits are selected at random and numbers are formed. The probability that a randomly selected number is divisible by 3 is.

The chance of winning the race of the horse A is 1/5 and that of horse B is 1/6. What is the probability that the race will be won by A or B ?

* In a race,the probability of A to win the race is (1)/(7) and of B is (1)/(4). Find the probability that any one of them win the race