Question:
The freezing point of a diluted milk sample is found to be $-0.2^{\circ} \mathrm{C}$, while it should have been $-0.5^{\circ} \mathrm{C}$ for pure milk. How much water has been added to pure milk to make the diluted sample ?
Correct Option: , 3
Solution:
3 cups of water to 2 cups of pure milk