A mixture of milk and water measures 60 liters. It contains 10% water. How much water should be added to it, so that the water maybe 25%?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 12 litres.
Calculations:
Total quantity of the mixture = 60 L
Amount of water = 10% of 60 = 6 L
Amount of milk = 60 - 6 = 54 L
If only water is added, milk quantity remains the same
Hence, 75% of milk = 54
⇒ 25% of water = 54/3 = 18
Amount of water to be added = 18 - 6 = 12 litres