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.

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.

The cost of Mathematics book is Rs 25 3/4 and that of Science book is Rs 20 1/2dot Which costs more and by how much?

The ratio of 8 books to 20 books is : a. 2:5 a. 5:2 c. 4:5 d. 5:4

If 4 books cost रु 270.6, find the cost of one book.

A book lying on a table is an example of:

A cartoon of books has 35% Math books, 30% Physics books and the rest are Chemistry books. Find what per cent of books Chemistry books in the carton.

A student is allowed to select at most n books from a collection of (2n+1) books .If the total number of ways in which he can select books is 63 find the value of n.

Pranav has 25 English story books and 35 Hindi story books. Find th ratio of the number of Hindi story books to English story books.

Three sets of English, Hindi and Mathematics books have to be stacked in such a way that all the books are stored topic wise and the height of each stack is the same. The number of English books is 96, the number of Hindi books is 240 and the number of Mathematics books is 336. Assuming that the books are of the same thickness, determine the number of stacks of English, Hindi and Mathematics books.

Three sets of English, Hindi and Mathematics books have to be stacked in such a way that all the books are stored topic wise and the height of each stack is the same. The number of English books is 96, the number of Hindi books is 240 and the number of Mathematics books is 336. Assuming that the books are of the same thickness, determine the number of stacks of English, Hindi and Mathematics books.