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M03 Q36

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Current Student
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Joined: 08 Jan 2009
Posts: 323

Kudos [?]: 158 [0], given: 7

GMAT 1: 770 Q50 V46
M03 Q36 [#permalink]

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New post 03 Nov 2011, 23:32
"A swimmer makes a round trip up and down the river which takes her x hours. If the next day she swims the same distance with the same speed in still water, which takes her y hours, which of the following statements is true?"

I think this is a very poorly worded question. It is entirely possible that their was no current on the first day's trip

Kudos [?]: 158 [0], given: 7

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Status: livin on a prayer!!
Joined: 12 May 2011
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Location: Australia
Re: M03 Q36 [#permalink]

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New post 04 Nov 2011, 01:32
Poor question with no answer choices...
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Aim for the sky! (800 in this case)
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Current Student
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Joined: 08 Jan 2009
Posts: 323

Kudos [?]: 158 [0], given: 7

GMAT 1: 770 Q50 V46
Re: M03 Q36 [#permalink]

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New post 04 Nov 2011, 16:07
Indeed.

"A swimmer makes a round trip up and down the river which takes her x hours. If the next day she swims the same distance with the same speed in still water, which takes her y hours, which of the following statements is true?"

a) x > y
b) x < y
c) x = y
d) x = 1/2*y
e) None of the above

[Reveal] Spoiler:
OA: A


The issue I have is that to get this answer, we have to assume there was a current on day one. Additionally, I also think the wording 'the same speed' is amiguous. Are we talking about the swimmers non-current speed, speed with the current, speed against the current, average speed on the first trip, etc.

Kudos [?]: 158 [0], given: 7

Re: M03 Q36   [#permalink] 04 Nov 2011, 16:07
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M03 Q36

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