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Caroline bikes uphill to work and returns at a pace 30%

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SVP
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Caroline bikes uphill to work and returns at a pace 30% [#permalink]

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New post 03 Jun 2009, 06:50
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Caroline bikes uphill to work and returns at a pace 30% faster. How long is her commute to and from work?

(1) She spends 10% of her workday commuting.
(2) She spends 40% of the entire day commuting and working.

Got this from another forum. Dont know if I agree with their reasoning of the 'OA' :)

Kudos [?]: 185 [0], given: 2

Manager
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Kudos [?]: 49 [0], given: 1

Schools: Stanford, Harvard, Berkeley, INSEAD
Re: DS: Biking [#permalink]

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New post 03 Jun 2009, 09:39
Argh, this is a very poorly worded question.

The answer is E. IF we combine both facts, we can figure out how much time she spends commuting (40% of a day = 9.6 hours, and we're given a ratio of 9:1). But then we don't know anything about distance... she could bike @ 2km/h or drive a Countach @ 330km/h to work.
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Hades

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Re: DS: Biking [#permalink]

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New post 03 Jun 2009, 11:36
pmenon wrote:
Caroline bikes uphill to work and returns at a pace 30% faster. How long is her commute to and from work?

(1) She spends 10% of her workday commuting.
(2) She spends 40% of the entire day commuting and working.

Got this from another forum. Dont know if I agree with their reasoning of the 'OA' :)


r1=x and r2=1.3x is given..... d1 +d2=?

1) 10% of workday...we dont know how long work day is, we also dont have rate..insuff
2) 40% of day commuting and working so 9.6hrs...we dont know how many hrs she worked..insuff

together

.96 hrs commuting so t1+t2=.96 , d1+d2=?, r1=? r2=?
insuff

E

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Re: DS: Biking [#permalink]

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New post 03 Jun 2009, 23:27
sTraight E..

and valdes with me this time.. :-D

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Re: DS: Biking [#permalink]

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New post 04 Jun 2009, 00:07
Neochronic wrote:
sTraight E..

and valdes with me this time.. :-D


Yes I concur... and a very poorly worded question at that. I'm guessing a Kaplan source? :oops:
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Re: DS: Biking   [#permalink] 04 Jun 2009, 00:07
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Caroline bikes uphill to work and returns at a pace 30%

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