A library has 1025 books in all. Out of this 205 books are on Science, 164 books are on philosophy. Find the % of
Science books

Reema has 24 notebooks and 18 books. Find the ratio of notebooks to books.

In a school library, the ratio of mathematics books to Science books is the same as the ratio of Science books to Hindi books. If there are 450 books in Science and 300 books in Hindi, find the number of books in Mathematics.

In a library 60% of the books are in Hindi, 60% of the remaining are in English and rest of the books are in there are 3600 books in English, then the total no. of books in Urdu are :

A library has 6 copies of one book,4 copies of each of two books, 6 copies of each of three books and single copies of 8 books. The number of arrangements of all the books is

In a school library, there are 780 books of English and 364 books of Science. Ms. Yakang, the librarian of the school wants to store these books in shelves such that each shelf should have the same number of books of each subject. What should be the minimum number of books in each shelf?

A library has two books each having three copies and three other books each having tow copies. In how many ways can all these books be arranged in a shelf so that copies of the same book are not separated.