A shopkeeper forced to sell at cost price, uses a 800 grams weight for a kilogram. What is his gain percent?
Options.
A) 10% B) 25% C) 11.11% D) 12 % E) None of these
Shopkeeper sells 800g instead of 1000g.   So, his gain = 1000 - 800= 
<gadget id="calculator">1000 - 800</gadget>
<output>200</output>
200g.   Thus, %Gain= 200 *100)/800 = 25%.   answer : OPTION 25%
<result>B</result>
A shopkeeper forced to sell at cost price, uses a 800 grams weight for a kilogram. What is his gain percent?