A dishonest dealer uses a scale of 90 cm instead of a metre scale and claims to sell at cost price. His profit is
Choose the correct choice from the following choices:	A) 9%	B) 10%	C) 12%	D) None of these	E) Cannot be determined
Solution   Gain%	= (10 / 90 x 100)%   = 11 1/9.   Answer None of these
<result>D</result>
A dishonest dealer uses a scale of 90 cm instead of a metre scale and claims to sell at cost price. His profit is