Who wrote the historical book 'Discovery of India'?

In a library, the ratio of storybooks to other books is 7:2. If there are 1512 storybooks, then how many other books are there?

Who is the author of the book 'Wealth of Nations'?

Who was the author of the book 'Poverty and Un-British Rule in India'?

Who authored the famous book 'The Discovery of India'?

In a book store, the ratio of English to Hindi books is 7:2. If there are 1512 English books and the ratio becomes 15:4 after adding some English books, how many books were added?

In a library, the ratio of storybooks to other books is 7:2 and there are 1512 storybooks. Due to the addition of some more storybooks, the ratio becomes 15:4. The number of new storybooks added is:

In a library, 20% of the books are in Hindi, 50% of the remaining are in English and the remaining 9000 are in regional languages. What is the total number of books?

In a library, the ratio of story books to other books is 7 : 2. If there are 1512 story books, then how many 'other books' are there?