Correct Answer - Option 3 : 85.73 L
Given:
A container contains 100 liters of milk from this container 5 liters of milk was taken out and replaced by water this process was repeated further two times
Calculation
Amount of milk left after 3 operations = 100(1 – 5/100)3
Amount of milk left after 3 operations = 100 × 19/20 × 19/20 × 19/20 = 85.73 liters
Hence, 85.73 liters contained by the container.