The ratio of storybooks 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.

There are 2100 story books in our local library. If 30% more story books are bought, what will be the total number of story books in the library now and also find out the additional numbers of story bought.

The ratio of my text books and story books is 4 : 3. If number of text books is 28, let's find the number of story books and total numbers of books.

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, 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 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.