When a shop keeper sold 2/3 of an item, he got the cost price of the whole lot. What is the percentage of his profit?  Answers: A) 33 1/8% B) 66 2/3% C) 25% D) 50% E) None of these
Explanation:   If 2/3 of the cost of item amount to CP   Then the ½ of the cost of item amounts to gain   :. Profit percentage = 1 x 100/2= 
<gadget id="calculator">100/2</gadget>
<output>50</output>
50%.   Answer: Option 50%
<result>D</result>
When a shop keeper sold 2/3 of an item, he got the cost price of the whole lot. What is the percentage of his profit?