Wipro
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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)
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- (7/12)*(3/7)+(5/12)*(4/7)=41/84
- 5 years agoHelpfull: Yes(1) No(1)
- (49*36+48*35)/84^2
- 9 years agoHelpfull: Yes(0) No(2)
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