A merchant marks his goods up in such a way that the profit made on selling 30 articles is equal to the cost price of 20 articles. What is the T % profit made by the merchant? Choices:	A) 66.67 %	B) 50 %	C) 200 %	D) 100 %	E) 33.33 %
C.P of 1 article= $30(say)   C.P of 20 articles=30*20= 
<gadget id="calculator">30*20</gadget>
<output>600</output>
$600   Now, C.P of 20 articles=Profit on 30 articles   Therefore, profit on 1 article=$600/30= 
<gadget id="calculator">600/30</gadget>
<output>20</output>
$20   Profit T%=(20/30)*100=66.67%   66.67 %nswer 66.67 %
<result>A</result>
A merchant marks his goods up in such a way that the profit made on selling 30 articles is equal to the cost price of 20 articles. What is the T % profit made by the merchant?