Ravi purchased 20 dozens of toys at the rate of Rs. 340 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?	Choose one:
A) 16.4%  B) 1.2%  C) 5.6%  D) 34.1%  E) 12.2%
A   C.P. of 1 toy = 340/12 = Rs. 28.3   S.P of 1 toy = Rs. 33   Profit = 4.6/31.25 * 100 = 16.4%   16.4%nswer is 16.4%
<result>A</result>
Ravi purchased 20 dozens of toys at the rate of Rs. 340 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?