A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity drained away, how many liters of water were drained away?
A. 2
B. 3
C. 4.5
D. 6
E. 9
সঠিক উত্তরঃ
E.
9
Explanation:
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