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The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is: ?->(Show Answer!)
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1. The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:





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  • By: guest on 01 Jun 2017 05.44 pm
    Let the price of the mixed variety be Rs. x per kg. By rule of alligation, we have: Cost of 1 kg of Type 1 rice Cost of 1 kg of Type 2 rice Rs. 15 Mean Price
    Rs. x Rs. 20 (20 - x) (x - 15) (20 - x) = 2 (x - 15) 3 60 - 3x = 2x - 30 5x = 90 x = 18.
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