TS EAMCET 04 May 2019 Shift 1 Solved Paper

An examination is attempted by 5,000 graduates, 2,000 post -graduates and 1,000 doctorate holders. The probabilities that a graduate, a post graduate and a doctorate holder will pass the examination are

2

3

,

3

4

,

4

5

respectively. If one of the examinee passed the examination. then the probability that he is a post-graduate is