A grocer purchased 2 kg. of rice at the rate of Rs.15 per kg. and 3 kg. of rice at the rate of Rs.13 per kg. At what price per kg. should he sell the mixture to earn 3313% profit on the cost price?
A grocer purchased 2 kg. of rice at the rate of Rs.15 per kg. and 3 kg. of rice at the rate of Rs.13 per kg. At what price per kg. should he sell the mixture to earn 3313% profit on the cost price?
ARs.28.00
BRs.20.00
CRs.18.40
DRs.17.40
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Correct answer is: Rs.18.40
Explanation:
Mixture = 2 kg of rice at Rs.15/kg + 3 kg. of rice at Rs.13/kg
Total weight = 2 + 3 = 5 kgTotal cost price = (2×15)+(3×13)
= 30 + 39 = Rs.69
Cost price per kg of the mixture = 695 = Rs.13.80Selling price to get 3313 % profit
=100+3313100 = Rs.13.80
=4003×100 = Rs.13.80
=43 = Rs.13.80
= Rs.18.40
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