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The ratio of milk to water is 5:1. After adding 12 liters of water, the ratio becomes 5:3. How much milk is there?
  1. 30 liters
  2. 20 liters
  3. 25 liters
  4. None of these
Explanation

Let milk = 5x  

Let water = x  

Initial ratio milk : water = 5 : 1  

After adding 12 liters water:  

Milk = 5x  

Water = x + 12  

New ratio milk : water = 5 : 3  

So,  

5x / (x + 12) = 5 / 3  

Cross multiply:  

5x _ 3 = 5 _ (x + 12)  

15x = 5x + 60  

15x - 5x = 60  

10x = 60  

x = 6  

Milk = 5x = 5 * 6 = 30 liters


Last verified on 09-07-2026

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