Find the percentage gain if a shop owner sells 20 mtr of fabric and gains Cost Price of 5 meters?  Answers:
A) 15%
B) 24%
C) 35%
D) 14%
E) 25%
Let cost of each metre be Rs. 100.   Therefore, cost price of 5 m cloth = 5*100= 
<gadget id="calculator">5*100</gadget>
<output>500</output>
500   cost price of 20m cloth= 20*100= 
<gadget id="calculator">20*100</gadget>
<output>2_000</output>
2000   Since the trader made the CP of 5m from the sale of 20m therefore   Profit on sale of 20m= cost price of 5 m cloth = 500   Selling price of 20m = 2000+500= 
<gadget id="calculator">2000+500</gadget>
<output>2_500</output>
2500   Profit %= 25.00%   25%
<result>E</result>
Find the percentage gain if a shop owner sells 20 mtr of fabric and gains Cost Price of 5 meters?