Question

lose 12% by selling an article for rupees 528 at what price should he sell it to gain 20%

Answer 1

cp = ( 100 /100-loss%) * sp
cp = (100/100-12)*528
cp = (100/88)*528
cp = 600 Rs
new sp = (100+gain % / 100)*cp
sp = (120/100)*600
sp = 720 rs

Answer 2

Step-by-step explanation:

Cp = ( 100 /100-loss%) * sp

cp = (100/100-12)*528

cp = (100/88)*528

cp = 600 Rs

new sp = (100+gain % / 100)*cp

sp = (120/100)*600

sp = 720 rs