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January 03 2018
Question A grosser purchase 80kg of rice at 13.50 per kg and mixed it with 120 kg rice at Rs. 16 per kg. at what rate per kg should he sell the mixture to gain 16%?

C.P. of 200 kg of mix = Rs. (80*13.50 + 120*16) = Rs. 3000.

S.P. = 116% of Rs 3000 = Rs. (116*3000/100) = Rs. 3480.

Rate of S.P. of the mixture = Rs. 3480/200 per kg. = Rs. 17.40 per kg


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