A container contains 1000 liters of milk, From this container 10 liters of milk was taken out and replaced by water. This process was repeated further 2 times. How much milk is now contained by the container?	Answers:	A) 970.3 liters	B) 1000.45 liters	C) 879.65 liters	D) 1020.56 liters	E) 910.95 liters

Rationale: amount of milk left after 3 operations = 1000 ( 1 - 10 / 1000 ) ^ 3 = 1000 * 99 / 100 * 99 / 100 * 99 / 100 = 970.3 liters answer is a
Answer: A