Four persons independently solve a certain problem correctly with probabilities 12,34,14,18. Then the probability that the problem is solved correctly by at least one of them is[JEE Adv 2013 P1]

Question

Four persons independently solve a certain problem correctly with probabilities

1

2

,

3

4

,

1

4

,

1

8

. Then the probability that the problem is solved correctly by at least one of them is

[JEE Adv 2013 P1]

Accepted Answer

Correct Answer is : 235256

Answer

Answer

Answer

Answer

JEE Advanced 2013 Paper 1