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How many kiloliters of water are in a reservoir? 1. If the

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Joined: 29 Jan 2005
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How many kiloliters of water are in a reservoir? 1. If the [#permalink]

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27 Oct 2005, 08:51
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How many kiloliters of water are in a reservoir?

1. If the reservoir were filled to capacity, there would be 430 more kiloliters in the reservoir.

2. The reservoir is normally maintained at 65% capacity.

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Current Student
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27 Oct 2005, 08:59
That was my guess too, but it isnot the OA!

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SVP
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Re: DS Kaplan Math Book Test 2 #15 [#permalink]

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27 Oct 2005, 09:07
GMATT73 wrote:
How many kiloliters of water are in a reservoir?

1. If the reservoir were filled to capacity, there would be 430 more kiloliters in the reservoir.

2. The reservoir is normally maintained at 65% capacity.

Let c be the capacity, x be the number of kl in the reservoir
1. c-430= x ---> two variables one equation---> unsolvable---> insuff
2. x=65%c , the same to 1, insuff

1 and 2
two variables with two equations ,we get c=430/.35
--> x=.65c= .65*430/.35

If C is not OA, extremely weird

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Current Student
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27 Oct 2005, 09:11
Hint: read the statements VERY carefully.

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27 Oct 2005, 09:17
GMATT73 wrote:
Hint: read the statements VERY carefully.

does the first statement imply that c is indeed 430?!

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VP
Joined: 22 Aug 2005
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27 Oct 2005, 09:17
GMATT73 wrote:
Hint: read the statements VERY carefully.

Is it has to do with word "normally" in second statement?

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27 Oct 2005, 09:19
duttsit wrote:
GMATT73 wrote:
Hint: read the statements VERY carefully.

Is it has to do with word "normally" in second statement?

what a trap!

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Current Student
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27 Oct 2005, 09:24
Bingo! We have no hard numbers to work with in either statements

OA is E.

Beware of such tricky wording traps.

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27 Oct 2005, 09:24
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