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 01). 3: 12). 7 : 253). 15 : 14). 1 : 15

Answer»

Solution

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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