Question
How many kilograms of rice cost Rs. 60 per kg? must be
mixed with 24 kg. of rice costing Rs. 42 per kg. so that there may be a gain of 12% by selling the mixture at Rs. 56 per kg.?Solution
=56×100/112=50 10=24 1= 24/10 8=24×8/10=19.2kg
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