question_answer

Mary had to do typing work of some pages for her project. So she share the work with her three friends. She gave one-fourth to first, one- third to the second and one-fifth to her third friend and types the remaining by herself. If she typed 65 pages, then find the number of pages that was typed by her first friend.

A)  66                               

B)  52

C)  75       

D)  55

E)  None of these