Question

In a library, one copy each of 40 new books has been added to its reference section. In addition, the contents of the books have been uploaded to the online library database. There are 4 LAN terminals in the reference section of the library. Therefore, each of the new books can be referred to in the form of its hard copy as well as soft copy at 4 computers. How many ways can a member refer to a new book?
a.
40
c.
160
b.
80
d.
200

Answer 1

@Judach

Answer 2

@butterflydreamer