Answers

2016-04-21T15:42:26+05:30
Let CP of 1 article be x
CP of 20 article is 20x
Let SP of 1 article be y
SP of 20 article is 20y
so,SP of 5 article is 5y 
Given that , Gain = SP of 5 article
Gain = 5y  (Gain = SP-CP)
SP-CP = 5y
20y-20x = 5y
15y = 20x
y/x = 4/3
y = (4/3) x

Profit percent = (Profit/CP)100 percent = (5y/20x)100 percent
=25y/x percent
= 25/x * (4/3) x percent
= 100/3 percent.
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