In a library there are books of stories and other books in the ratio `7:2` and there are 1512

In a library the ratio of story books and other books in 7:2 and there are 1512 story books Due to collection of some more story books the said ratio becomes 15:4 .The number of story books collected 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?

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, there are 10 different sections and the librarian categorises the books over 20 days. Which section has the least number of books?

The ratio of storybolks in a library to other books is 1.7.The total number of story books is 800. Find the total number of books in the library.

In a school library, there are books on the following subjects : English = 500, History = 700, Maths = 800, Science = 900. Draw the pictograph for the above numerical data and answer the following questions. How many books are there in the school library ?

Two sets of English and social science books containing 336 and 96 respectively in a library have to be stacked in such a way that an the books are stored topic wise and the height of each stack is the same. Assuming that the books are of the same thickness, determine the number of stacks. What are the characteristics of library?