Ravi purchased 20 dozens of toys at the rate of Rs. 380 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit? Choose one:	A) 23%	B) 1.2%	C) 5.6%	D) 4.21%	E) 12.2%
D   C.P. of 1 toy = 380/12 = Rs. 31.6   S.P of 1 toy = Rs. 33   Profit = 1.33/31.25 * 100 = 4.21%   Answer is 4.21%
<result>D</result>
Ravi purchased 20 dozens of toys at the rate of Rs. 380 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?