A dishonest dealer uses a scale of 97 cm instead of a metre scale and claims to sell at cost price. His profit is  Choose the correct choice from the following answers
A) 9%  B) 10%  C) 12%  D) 3.1%  E) Cannot be determined
Solution   Gain%	= (3 / 97 x 100)%   = 3.1%   Answer 3.1%
<result>D</result>
A dishonest dealer uses a scale of 97 cm instead of a metre scale and claims to sell at cost price. His profit is