Explanation:

Correct option 3:  14:31

A container contains mixture of milk and water = 96 liters

If 16 liters of mixture is taken out, then remaining quantity of mixture = 96 - 16 = 80 L

Quantity of milk in the remaining mixture = 80 × (35/100) = 28 L

Quantity of water in the remaining mixture = 80-28 = 52 L

If 10 liters water added, then quantity of water = 52 + 10 = 62 Liters

Ratio of milk and water in the new mixture = 28: 62 = 14:31