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Confusing One..

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Confusing One.. [#permalink] New post 11 Sep 2010, 22:00
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
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Re: Confusing One.. [#permalink] New post 11 Sep 2010, 22:10
Expert's post
sahilkhurana06 wrote:
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


If quantity drained away is x liters, then sink should hold after draining x-6 liters --> 12-x=x-6 --> x=9.

Answer: E.
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Re: Confusing One.. [#permalink] New post 12 Sep 2010, 00:26
this is a good word problem!.. thanks bunuel... 6 is so tempting as answer...
Re: Confusing One..   [#permalink] 12 Sep 2010, 00:26
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