Step-by-step explanation:
3/5 of the book = 75 pages
5/5 of the book = 75 * (5/3) = 125 pages
Hence there are 125 pages in the whole book.
Answer:99 days
Step-by-step explanation:
Given
If one start with one square unit it takes 100 days
i.e. At second day it is 2 unit
third day 
at n th day 
at 100 day
square unit
If we start with 2 square units it would take
for n days


Answer:
Perpendicular
Step-by-step explanation: