A book shelf contains 45 books more than 1/20th of the total books in a library. If there are 109 books in the shelf, how many books are there in the library.?
A1280
B1140
C2320
D1870
Answer:
A. 1280
Read Explanation:
Let x be the total no. of books
(1/20)x+45=109
(1/20)x=109-45
(1/20)x=64
x=64x20=1280
Total no. of book in the library=1280