A tradesman by means of his false balance defrauds to the extent of 30%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?	Options
A) 60%
B) 70%
C) 69%
D) 71%
E) 68%
g% = 30 + 30 + (30*30)/100= 
<gadget id="calculator">30 + 30 + (30*30)/100</gadget>
<output>69</output>
69%   ANSWER:69%
<result>C</result>
A tradesman by means of his false balance defrauds to the extent of 30%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?