Formulae (derived using allegation):
Milk left = Capacity x (1 – fraction of milk withdrawn)^{n}
Therefore, milk left = 30 x 0.9^{3}
= )
= )
So, Water in container = 30 –
= )
=)
Therefore, Milk : Water = 2187 : 813 = 729 : 271
Correct Answer:
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