Question

the total number of books in a library is 9987, which include, textbooks, books on fiction, travel and biographies. if there are 1876 textbooks, 2798 books on travel and 875 books on biographies, then how many books on fiction are there in the library

Answer 1

total no of books= 9987
no of textbooks = 1876
no of books on travel= 2798
no of books on biographies= 875
no of books on fiction =9987- ( 1876+2798+875)=9987-5549=4438
hope it helps u in any way

Answer 2

total books = 9987
books of textbooks= 1876
travel=2798
biography= 875
total books of textbooks,travel,biography= 5549
books of fiction = 9987-5549=4438