Mayank Bothra purchased 20 dozens of toys at the rate of 375 Rs per dozen .He sold each one of them at the rate of Rs 33.What was his percentage profit?	Choices:
A) 5.6 %
B) 6.5 %
C) 7.5 %
D) 7.6 %
E) None
Sol.   Cost = 375 * 20= 
<gadget id="calculator">375 * 20</gadget>
<output>7_500</output>
7500   sale price   33 * 20 * 12= 
<gadget id="calculator">  33 * 20 * 12</gadget>
<output>7_920</output>
7920 profit= 420 profit in % = 420/7500 * 100= 
<gadget id="calculator">420/7500 * 100</gadget>
<output>28/5 = around 5.6</output>
5.6 %   5.6 %ns: 5.6 %.
<result>A</result>
Mayank Bothra purchased 20 dozens of toys at the rate of 375 Rs per dozen .He sold each one of them at the rate of Rs 33.What was his percentage profit?