Given:
The ratio of the number of fiction books to the number of non-fiction books in a library is 5:2.
Total number of books = 1421
To find:
The number of books of each type.
Solution:
Let the number of fiction books be 5x and number of non-fiction books be 2x.
Total number of books = 1421
Now,
Number of fiction books :
Number of non-fiction books :
Therefore, the number of fiction and non-fiction books are 1015 and 406 respectively.