CP of the article = (180 x 100)/90 = ? 200
To gain 10% SP of article = 110% of 200 = ? 220
Let cost price be ? N.
Selling price = 2345
Loss = 19%
Cost price, N = (SP x 100)/(100 - Loss%)
= (2345 x 100)/(100 - 19%)
? N = 234500/81 = ? 2895 ? ? 3000
CP = (100/30) x 400 = ? 4000/3
[? CP = {100/(100 - Loss%)} x SP]
We know that
Loss = CP - SP
240 = 3200 - SP
? SP = 3200 - 240 = ? 2960
SP = 125% of CP [? SP = {(100 + Gain%)/100} x CP]
= {125/100} x 40
= (5/4) x 40 = 5 x 10 = ? 50
CP of bracelet = [100/(100 - Loss%)] x SP
= (100/80) x 14500
= ? 18125
Given, CP = ? 350 and gain = 15%
? SP = [(100 + Gain%) / 100] x CP
= (115/100) x 350 = 115 x (7/2)
= ? 402.50
Let SP = SP = ? 100
? CP = ? 95
Profit = 100 - 95 = ? 5
Profit % = (Profit/CP) x 100%
= (5/95) x 100% = 5.26%
CP = [100/(100 + Gain%)] x SP
= (8960 x 100)/128
= 70 x 100 = ? 7000
CP = (100/120) x 2220 = ? 1850
CP = [100/(100 - Loss%) ] x SP
CP = 6000 x (100/75) = 8000
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