A container contains 40 litres of milk. From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
| Amount of milk left after 3 operations = | 40 | 1 – | 4 | 3 | litres | |||
| 40 | 
| = | 40 x | 9 | x | 9 | x | 9 | = 29.16 litres. | ||
| 10 | 10 | 10 | 
