Adam won this year s local sailboat race by beating Lenin , : GMAT Critical Reasoning (CR)
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# Adam won this year s local sailboat race by beating Lenin ,

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VP
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Kudos [?]: 1333 [1] , given: 62

Adam won this year s local sailboat race by beating Lenin , [#permalink]

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16 Nov 2012, 06:30
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Question Stats:

76% (01:00) correct 24% (01:48) wrong based on 60 sessions

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Adam won this year’s local sailboat race by beating Lenin
, the winner in each of the four previous years. We
can conclude from this that Adam trained hard.
The conclusion follows logically if which one of the
following is assumed?

(A) Lenin did not train as hard as Adam trained.
(B) If Adam trained hard, she would win the
sailboat race.
(C) Adam could beat a four-time winner only if she
trained hard.
(D) If Lenin trained hard, she would win the sailboat
race.
(E) Lenin is usually a faster sailboat racer than Adam

SOURCE: Jamboree
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Director
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Kudos [?]: 546 [0], given: 23

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16 Nov 2012, 07:10
Marcab wrote:
Adam won this year’s local sailboat race by beating Lenin
, the winner in each of the four previous years. We
can conclude from this that Adam trained hard.
The conclusion follows logically if which one of the
following is assumed?

(A) Lenin did not train as hard as Adam trained.
(B) If Adam trained hard, she would win the
sailboat race.
(C) Adam could beat a four-time winner only if she
trained hard.
(D) If Lenin trained hard, she would win the sailboat
race.
(E) Lenin is usually a faster sailboat racer than Adam

SOURCE: Jamboree

Adam won beating lenin- Based on this and without any other evidence or supporting fact, it is concluded that adam must have worked hard, showing that underlying assumption is that adam could have beaten lenin only if she trained hard. which is given in C.

Ans C it is!
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Joined: 19 Jul 2012
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Location: India
GMAT 1: 630 Q49 V28
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Kudos [?]: 213 [0], given: 31

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16 Nov 2012, 09:03
Fact 1: Adam won the race beating Lenin.
Fact 2: Lenin is the winner in each of four years.

Let's make few assumptions before checking the answer choices:
A1: There was no dip in Lenin performance and Adam's performance improved because of hard training.
A2: No other factor contributed to Adam's advantage such as, superior boat.

Let's look at the answer choices:
(A) Lenin did not train as hard as Adam trained: Incorrect. Even if Lenin trained as hard, he could have still lost the race.
(B) If Adam trained hard, she would win the sailboat race : Incorrect. This is one of the ways he can win the race but not the only way.
(C) Adam could beat a four-time winner only if she trained hard : Bingo!! This makes it a necessary condition.
(D) If Lenin trained hard, she would win the sailboat race : Incorrect. Nothing to do with Lenin's training.
(E) Lenin is usually a faster sailboat racer than Adam : Incorrect. Nothing to do with the conclusion.
VP
Status: Been a long time guys...
Joined: 03 Feb 2011
Posts: 1420
Location: United States (NY)
Concentration: Finance, Marketing
GPA: 3.75
Followers: 175

Kudos [?]: 1333 [0], given: 62

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16 Nov 2012, 09:51
Guys I can understand why C is better than B but still can you provide a profound reason to eliminate B. The confusion between b and c took me around a minute.
_________________
Joined: 19 Jul 2012
Posts: 168
Location: India
GMAT 1: 630 Q49 V28
GPA: 3.3
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Kudos [?]: 213 [0], given: 31

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16 Nov 2012, 11:09
Marcab wrote:
Guys I can understand why C is better than B but still can you provide a profound reason to eliminate B. The confusion between b and c took me around a minute.

In order to logically conclude that Adam won due to training hard, we need the assumption that this is the only way She can win it. The mention of "only" in choice C separated from choice B. Choice B provides just one of the ways of achieving it.

For example:

1. (As per Choice B) If you score V40, you could get 700 score in GMAT.
You scored 700 but your score was V38 Q51.

2. (As per C) You can score 700 in GMAT only if you score V40.
You scored 700. It implies you got V40.
Director
Status: Done with formalities.. and back..
Joined: 15 Sep 2012
Posts: 647
Location: India
Concentration: Strategy, General Management
Schools: Olin - Wash U - Class of 2015
WE: Information Technology (Computer Software)
Followers: 46

Kudos [?]: 546 [0], given: 23

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16 Nov 2012, 17:02
Marcab wrote:
Guys I can understand why C is better than B but still can you provide a profound reason to eliminate B. The confusion between b and c took me around a minute.

If you look at the premise on which conclusion is based, you'd notice information 'by beating Lenin' would become unnecessary if you choose B. on the other hand choice C takes into account all of it.
Hope it helps.
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