Five books on english and three books on mathematics are placed at random on a bookshelf . Find the probability that the books on mathematics are placed side by side.

Three volumes of book and five volumes of another book are placed at random on a book shelf. Find the probability that all volumes of both the books will be found together.

5 Engineering , 4 Mathematics and 2 Chemistry books are placed on a shelf at random. The probability that the books of each kind are all together is

Eleven books, consisting of five Engineering books, four Mathematics books and two Physics books, are arranged in a shelf at random. What is the probability that the books of each kind are all together?

A mathematics book contains 250 pages. A page is selected at random. What is the probability that the number on the page selected is a perfect square?

A bag contains 3 Maths books. 5 English books, and 4 Science books. One book is taken out from the bag. Find the probability that the book drawn is a Maths book

In how many ways can 10 books on English and 8 books on physics be placed in a row on a shelf so that two books on physics may not be together?

A bag contains 3 Maths books. 5 English books, and 4 Science books. One book is taken out from the bag. Find the probability that the book drawn is a English book.

A bag contains 3 Maths books. 5 English books, and 4 Science books. One book is taken out from the bag. Find the probability that the book drawn is a Science book.