A shopkeeper forced to sell at cost price, uses a 750 grams weight for a kilogram. What is his gain percent? Choose the correct choice from the following answers
A) 10 %	B) 9 %	C) 33.33 %	D) 12 %	E) none of these

Rationale: shopkeeper sells 750 g instead of 1000 g . so , his gain = 1000 - 750 = 250 g . thus , % gain = ( 250 * 100 ) / 750 = 33.33 % . answer : option c
Answer: C