By selling a sofa set for rupees 4500 ,a man lost 10 % .for what amount should he have sold it to gain 20%?
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SP = 4500 Rs
loss = 10%
CP = x
x - 10/100 = 4500
90/100x = 4500
x = 4500 × 100/90
= 50 × 100
= 5000 Re
if profit is 20%
Then SP = 5000 + 20/100×5000
= 5000 + 1000
= Rs 6000
loss = 10%
CP = x
x - 10/100 = 4500
90/100x = 4500
x = 4500 × 100/90
= 50 × 100
= 5000 Re
if profit is 20%
Then SP = 5000 + 20/100×5000
= 5000 + 1000
= Rs 6000
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