Comprehension Passage
Directions: Read the following information carefully and answer the following questions.
There are four friends A, B, C, and D who are reading their own History books. D is the first person who starts reading the book and 15 minutes after him C starts reading the book. Both D and C read the same page after some time, and T minutes later of this time B starts reading the book. The speeds of reading the pages after every 5 minutes for A, B, C, and D is 3.5, 4, 3, and 2.5 respectively. A starts reading the book some minutes after both B and C complete reading the same page. Person B and C completed reading the 240th page of the book at the same time. Each book has the same number of pages.
When friend B completely read the book, friend D is 250 pages short of completing the book. Find the total number of pages the book has if C started reading the book 15 minutes after D, B started reading the book after T minutes of C's start time.
1
1200
2
840
3
1000
4
720
5
None of the above