TS EAMCET 6-Aug-2021 Shift 1 Question Paper

A and B are the two groups of books. Group A consists of 8 science and 5 engineering books and the group B consists of 6 science and 7 engineering books. When an unbiased die is rolled, if 2 or 5 turns up, a book is selected at random from the group A, otherwise a book is selected at random from the B group. When an unbiased die is rolled, the probability of selecting a science book is