A trader mixes 25 kg of rice at Rs. 40 per kg with 25 kg of rice of other variety at Rs. 20 per kg and sells the mixture at Rs. 40 per kg. His profit percent is:
Select:
A) No profit, no loss B) 33.33% C) 8% D) 10% E) None of these
C.P. of 56 kg rice = Rs. (25 x 40 + 25 x 20) = Rs. (1000 + 500) = Rs. 1500.   S.P. of 56 kg rice = Rs. (50x 40) = Rs. 2000   Gain =500/1500x100% = 33.33%   Answer: Option 33.33%
<result>B</result>
A trader mixes 25 kg of rice at Rs. 40 per kg with 25 kg of rice of other variety at Rs. 20 per kg and sells the mixture at Rs. 40 per kg. His profit percent is: