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If Amy drove the distance from her home

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If Amy drove the distance from her home [#permalink]

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New post 07 Sep 2017, 07:18
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Last edited by chetan2u on 07 Sep 2017, 07:28, edited 1 time in total.
edited Q and added OA

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Re: If Amy drove the distance from her home [#permalink]

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New post 07 Sep 2017, 07:27
Jehi wrote:
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Sent from my Moto G (5) using GMAT Club Forum mobile app




hi...

time<2 hrs and is speed >60..

these details itself will get you to the correct option..
Since we do not know the exact time, lets takt at just equal to 2 hrs. so for 60km/hr, it should travel equal or more than 60*2=120
this actually gets you to B and thus B is sufficient..

but lets see the statements..
(I) distance <125..
if D is 124 speed <124/2 or >62 ...ans YES
if D is 2 km, speed <2/1 or 1...ans NO
insuff

(II)
D>122..
so MIN speed = 122/2=61
ans is always YES irrespective of T

suff

B
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Absolute modulus :http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html

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Re: If Amy drove the distance from her home [#permalink]

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New post 07 Sep 2017, 08:03

Kudos [?]: 132646 [0], given: 12326

Re: If Amy drove the distance from her home   [#permalink] 07 Sep 2017, 08:03
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If Amy drove the distance from her home

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