Wipro Company Numerical Ability Probability

The odds against Arun solving a problem are 5:7 and the odds in favor of Prashant solving the same problem are 4:3.The probability that only one of them can solve the problem is
a)13/84 b)41/84 c)17/84 d)23/84

Read Solution (Total 2)

(7/12)*(3/7)+(5/12)*(4/7)=41/84
6 years agoHelpfull: Yes(1) No(1)

(49*36+48*35)/84^2
10 years agoHelpfull: Yes(0) No(2)

Wipro Other Question

Two dice are rolled.The probability of getting a sum of atleast 9 is
a)13/36 b)5/18 c)35/36 d)11/36 If a card is drawn from a well shuffled pack of cards,the kprobability of drawing a spade or a king is
a)19/52 b)17/52 c)5/13 d)4/13