Question
The cost of type 1 rice is Rs 15 per Kg and type 2 rice
is Rs 20 per Kg. If both type1 and type 2 are mixed in the ratio of 2:3, then the price per Kg of the mixed variety of rice is:Solution
Cost of type 1 rice = Rs. 15 per kg Cost of type 2 rice = Rs. 20 per kg Ratio in which type 1 and type 2 rice are mixed = 2:3 So, price per kg of mixed rice = (15 x 2) + (20 x 3)}{2 + 3}) = {30 + 60}/5 = 90/5 = Rs. 18 per kg
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