A trader mixes 25 kg of rice at Rs. 30 per kg with 25 kg of rice of other variety at Rs. 40 per kg and sells the mixture at Rs. 40 per kg. His profit percent is:
Choose the correct choice from the following choices
A) No profit, no loss
B) 5%
C) 14.29%
D) 10%
E) None of these
C.P. of 50 kg rice = Rs. (25 x 30 + 25 x 40) = Rs. (750 + 1000) = Rs. 1750   S.P. of 50 kg rice = Rs. (50 x 40) = Rs.2000   Gain =250/1750x100% = 14.29%.   Answer: Option 14.29%
<result>C</result>
A trader mixes 25 kg of rice at Rs. 30 per kg with 25 kg of rice of other variety at Rs. 40 per kg and sells the mixture at Rs. 40 per kg. His profit percent is: