A shopkeeper sold 10 articles at the cost price of 12 articles. Then find the profit% or lost%  Choose the most appropriate option
A) -10%
B) 10%
C) 15%
D) 20%
E) 25%
here 10 articles selling price = 12 articles cost price   so the difference = 12-10= 
<gadget id="calculator">12-10</gadget>
<output>2</output>
2   % of profit= 2*100/10= 
<gadget id="calculator">2*100/10</gadget>
<output>20</output>
20%   correct option is 20%
<result>D</result>
A shopkeeper sold 10 articles at the cost price of 12 articles. Then find the profit% or lost%