A dealer sells his goods 10% less at cost price uses 850gm weight for 1kg his gain or loss percentage is Options
A) 21% Gain	B) 21% Loss	C) 17 11/17% Gain	D) 17 11/17% Loss	E) None of these
Explanation:   17 11/17% Gainost price ---&gt; 850   Selling price ---&gt;1000 - 100 = 900   = ( 900 ~ 850 )/850 * 100 = 150/850 * 100 = 17 11/17% Gain   Answer: Option 17 11/17% Gain
<result>C</result>
A dealer sells his goods 10% less at cost price uses 850gm weight for 1kg his gain or loss percentage is