A tradesman by means of his false balance defrauds to the extent of 20%? in buying goods as well as by selling the goods. What percent does he gain on his outlay? Choose the most appropriate option.
A) 20% B) 45% C) 44% D) 48% E) 49%
g% = 20 + 20 + (20*20)/100= 
<gadget id="calculator">20 + 20 + (20*20)/100</gadget>
<output>44</output>
44%   ANSWER:44%
<result>C</result>
A tradesman by means of his false balance defrauds to the extent of 20%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?