A tradesman by means of his false balance defrauds to the extent of 50%? 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) 149%
B) 125%
C) 130%
D) 175%
E) 143%
g% = 50 + 50 + (50*50)/100= 
<gadget id="calculator">50 + 50 + (50*50)/100</gadget>
<output>125</output>
125%   Answer: 125%
<result>B</result>
A tradesman by means of his false balance defrauds to the extent of 50%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?