Mahesh marks an article 15% above the cost price of Rs. 540. What must be his discount percentage if he sells it at Rs. 459? Select:
A) 18%
B) 21%
C) 20%
D) 26.1%
E) None of these
CP = Rs. 540, MP = 540 + 15% of 540 = Rs. 621   SP = Rs. 459, 26.1%iscount = 621 - 459= 
<gadget id="calculator">621 - 459</gadget>
<output>162</output>
162   26.1%iscount %= 162/621 * 100 = 26.1%   ANSWER:26.1%
<result>D</result>
Mahesh marks an article 15% above the cost price of Rs. 540. What must be his discount percentage if he sells it at Rs. 459?