Correct option is C
Approx. value asked
Initial quantity of milk in vessel = 80 ×3/5=48 liters
Initial quantity of water in vessel = 80 – 48 = 32 liters
Let quantity of milk in the mixture mixed later = x liters
So, quantity of water in the mixture mixed later = (60 – x)
ATQ,
36 + x = 168 – 2x
x = 44
Quantity of water = 60-x = 60-44 = 16