A trader bought a car at 20% discount on its original price. He sold it at a 40% increase on the price he bought it. What percent of profit did he make on the original price?	Options
A) 12%
B) 19%
C) 15%
D) 14%
E) 22%
Original price = 100   CP = 80   S = 80*(140/100)= 
<gadget id="calculator">80*(140/100)</gadget>
<output>112</output>
112   100 - 112= 12%   12%nswer:12%
<result>A</result>
A trader bought a car at 20% discount on its original price. He sold it at a 40% increase on the price he bought it. What percent of profit did he make on the original price?