1. The cost of pure milk is Rs. 16 per litre. On adding water, the mixture is sold at Rs. 15/litre. In this way the milkman earns 25% profit. What is the ratio of milk and water in the mixture ? Assume the cost of water be Rs 0






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  • By: anil on 05 May 2019 01.16 am
    As the Milkman is making 25% profit on selling milk and water solution at Rs 15 , the Cost price of water and Milk solution is $$frac{15}{1.25}$$ = Rs 12 let the amount of pure milk be x litre and amount of water mixed with it be y litre. So using , $$frac{16x}{x + y} = 12$$ = $$frac{x}{y} = frac{3}{1}$$
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