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

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:

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

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 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 story books to other books is 7 : 2. If there are 1512 story books, then how many 'other books' are there?

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