Question

A person sold an article at profit of 12 percent.if he had sold it 3.60Rs more he would have gain 18 percent what is CP?

Answer 1

cost price = C

12% Gain = (12/100)C = 0.12C

18% gain = (18/100)C = 0.18C

0.18C - 0.12C = ₹3.6

0.06C = ₹ 3.6

C = ₹ 3.6/0.06

C =₹ 60

cost price = ₹ 60