Samar can read 600 pages in 6hours whereas, samar and priti together can read 5000pages in 40hours in how much time (in hour) can priti read 500 pages
Answers
Given : Samar can read 600 pages in 6 hours whereas, Samar and Priti together can read 5000 pages in 40 hours.
To Find : In how much time (in hours) can Priti read 500 pages
A 12
C. 20
B. 15
D. 24
Solution:
Samar can read 600 pages in 6 hours
=> Samar can read in 1 hr = 600/6 = 100 pages
Samar and Priti together can read 5000 pages in 40 hours.
=> Samar and Priti together can read in 1 hr = 5000/40
= 125 pages
Priti can read in 1 hr = 125 - 100 = 25 Pages
Priti can read in N hrs = 25N pages
25N = 500
=> N = 20
Priti can read 500 pages in 20 hrs
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