A tradesman by means of his false balance defrauds to the extent of 18%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?  Choose the correct choice from the following options:	A) 44%	B) 48%	C) 94%	D) 45%	E) 39%
g% = 18 + 18 + (18*18)/100   = 39%   Answer: 39%
<result>E</result>
A tradesman by means of his false balance defrauds to the extent of 18%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?