A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 32 per kg. His profit percent is:  Choose the correct answer.
A) No profit, no loss B) 5% C) 8% D) 12% E) None of these
Explanation :   C.P. of 56 kg rice = (26 * 20 + 30 * 36) Rs. = (520 + 1080) Rs. = 1600 Rs.   S.P. of 56 kg rice = (56 * 32) Rs. = 1792 Rs.   Profit % = (1792−1600/1600∗100)% = 12%   Answer : 12%
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A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 32 per kg. His profit percent is: