A is one of 5 horses that entered the race and for it to be ridden by one of the two jokeys P&Q and odds in favour of P rides it is 2 to 1. If P rides A, all the horses are likely to win. If Q rides A, A's chance of winning is tripled. The odds in favour of A's winning is

19. A is one of 6 horses entered for a race, and is to be ridden by one of two jockeys B and C. It is 2 to 1 that B rides A, in whic case all the horses are equally likely to win; if C rides A, his chance is trebled what are the odds against his winning

A is one of the 6 horses entered for a race and is to is be ridden by one of two jockeys B or C. It is 2 to 1 that B rides A, in which case all the horses are equally likely to win, if C rides A, his chance is trebled. Then the odds against his winning are (A) 5/13 (B) 18/5 (C) 13/18 (D) 13/5

A is one among 8 horses in a race. A is to be ridden by one of the 3 jockeys P,Q,R. If P rides A all the horses are equally likely to win. If Q rides A, his chances are doubled and if R rides A, his chances are tripled. A die is rolled, if 1 or 2 or 3 appears then P rides A, if 4 or 5 appears then Q rides A, otherwise R rides A. Then the probability that A wins is (A) 1/2 (B) 3/ 16 (C) 5/ 24

One of the two events must occur.If the chance of one is 2/3 of the other,then odds in favour of the other are

One of the two events must occur. If the chance of one is 2/3 of the other, then odds in favour of the other are a. 1:3 b. 3:1 c. 2:3 d. 3:2

A and B are two events such that odds odds against A are 2 : 1 odds in favour of A cup B are 3 : 1. If x le P(B) le y , then the ordered pair (x, y) is