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Manager
Joined: 03 Jul 2014
Posts: 55
Concentration: Operations, General Management
WE: Engineering (Energy and Utilities)

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08 Apr 2016, 09:25
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Difficulty:

45% (medium)

Question Stats:

67% (01:42) correct 33% (01:46) wrong based on 424 sessions

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Labrador: About one third of the dog population eats canned dog food. However, dry dog food is clearly the best choice for a dog's diet.

Alsatian: Dry dog food is not tasty. Dogs that are fed dry food should get their owners to buy the canned food for them.

Which of the following, if true, most weakens the Alsatian's objection?

a. Canned food contains a high level of meat content and is, therefore, very nutritious for dogs.
b. Dry dog food is known to easily attract pests.
c. Dog owners should consult with a veterinarian before choosing which type of dog food to feed their pet.
d. Because it is soft, canned dog food cannot assist in maintaining healthy strong teeth in dogs.
e. Dry dog food does not provide the oils that dogs need to keep their skin and hair healthy.

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Magoosh GMAT Instructor
Joined: 28 Dec 2011
Posts: 4472

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08 Apr 2016, 13:23
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Labrador: About one third of the dog population eats canned dog food. However, dry dog food is clearly the best choice for a dog's diet.

Alsatian: Dry dog food is not tasty. Dogs that are fed dry food should get their owners to buy the canned food for them.

Which of the following, if true, most weakens the Alsatian's objection?

a. Canned food contains a high level of meat content and is, therefore, very nutritious for dogs.
b. Dry dog food is known to easily attract pests.
c. Dog owners should consult with a veterinarian before choosing which type of dog food to feed their pet.
d. Because it is soft, canned dog food cannot assist in maintaining healthy strong teeth in dogs.
e. Dry dog food does not provide the oils that dogs need to keep their skin and hair healthy.

I'm happy to respond.

This question is not very GMAT-like. First of all, the speakers are two dog breeds, as if the dogs themselves are having the argument. That's cutsie and, therefore, un-academic and unprofessional. It's as if the speaker had grade-school cartoon watchers in mind.

It's also a very easy question. The "Alsatian" says that canned food is better than dry food. Most of the answers support this position, and (D) is the only one that criticizes canned food in any way. This question has a clear answer but pathetically weak distractors.

You see, this may not be clear to a student, but there is tremendous craft in writing a good GMAT CR practice question. Not only should the OA be clearly and unambiguously right, not only should each other choice be wrong for a clear and unambiguous reason, but also at least some of those other answer should be tempting distractors. None of the other choices in this question are tempting in any way. In that sense, the question falls woefully short of the standards of the GMAT. As someone who write questions, I would give this particular question a grade of a C-: minimally acceptable, but not something that even approaches the excellence of official questions.

Here's a much high quality GMAT CR practice question:
[urlhttp://gmat.magoosh.com/questions/3413]Carville’s homeless problem[/url]

Does all this make sense?
Mike
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Mike McGarry
Magoosh Test Prep

Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)
Senior Manager
Joined: 20 Aug 2015
Posts: 386
Location: India
GMAT 1: 760 Q50 V44

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11 Apr 2016, 02:43
Labrador: About one third of the dog population eats canned dog food. However, dry dog food is clearly the best choice for a dog's diet.

Alsatian: Dry dog food is not tasty. Dogs that are fed dry food should get their owners to buy the canned food for them.

Which of the following, if true, most weakens the Alsatian's objection?

a. Canned food contains a high level of meat content and is, therefore, very nutritious for dogs.
b. Dry dog food is known to easily attract pests.
c. Dog owners should consult with a veterinarian before choosing which type of dog food to feed their pet.
d. Because it is soft, canned dog food cannot assist in maintaining healthy strong teeth in dogs.
e. Dry dog food does not provide the oils that dogs need to keep their skin and hair healthy.

This is strange. Never heard of dogs talking to one another.
We need to weaken the argument of Alsatian which says that owners should get canned food by telling that dry food is not tasty.
We need to support the fact by Labrador which says that dry food is better.

Of the given, only option D says this by explaining the flaws in caned food.
Correct Option: D
Director
Joined: 04 Jun 2016
Posts: 556
GMAT 1: 750 Q49 V43

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19 Jul 2016, 05:58
Labrador: About one third of the dog population eats canned dog food. However, dry dog food is clearly the best choice for a dog's diet.

Alsatian: Dry dog food is not tasty. Dogs that are fed dry food should get their owners to buy the canned food for them.

Which of the following, if true, most weakens the Alsatian's objection?

a. Canned food contains a high level of meat content and is, therefore, very nutritious for dogs.
b. Dry dog food is known to easily attract pests.
c. Dog owners should consult with a veterinarian before choosing which type of dog food to feed their pet.
d. Because it is soft, canned dog food cannot assist in maintaining healthy strong teeth in dogs.
e. Dry dog food does not provide the oils that dogs need to keep their skin and hair healthy.

ANSWER IS AN EASY PEASY D

EXPLAINATION :-

LABRADOR :- Caned Dog Food (CDF) has highest sale. But Dry Dog Food (DDF) is best for dog's health
GERMAN SHEPHERD :- Good !! Canned Dog Food CDF should be bought because its tasty. Dry Dog Food is not tasty.

Weaken GERMAN SHEPHARD'S argument:- The argument is about health for which DDF is the best. But German Shephard is insisting to buy CDF.

How would you stop german shepherd from buying CDF :- By telling that CDF can cause some sort of damage to this health.
What option says so :- OPTION D
CDF is soft and thus cannot maintain the health of his teeth.

a. Canned food contains a high level of meat content and is, therefore, very nutritious for dogs.
WRONG:- REVERSE ANSWER:- This one strengthen the argument in favour of CDF but we have to weaken the argument.

b. Dry dog food is known to easily attract pests.
WRONG:- What a irrelevant info

c. Dog owners should consult with a veterinarian before choosing which type of dog food to feed their pet.
WRONG:- IRRELEVANT May be owners already did consult. May be veterinarian think both CDF and DDF are good and thus tell the owner :- YOU SEE FELLA, BOTH CDF AND DDF ARE GOOD. SO YOU BUY WHATEVER YOUR DOGS EATS HAPPILY. This doesn't weaken our argument.

d. Because it is soft, canned dog food cannot assist in maintaining healthy strong teeth in dogs.
RIGHT HO !!! :- This weakens the case against CDF (which german shepherd wants to buy). This option tells us exactly why CDF should not be used. Because it is not good for teeth. See how it nicely weakens the German Shepard case and strengthen the Labradors case for good overall health.

e. Dry dog food does not provide the oils that dogs need to keep their skin and hair healthy.[/quote]
WRONG:- It does not weaken the argument. It strengthen the argument. It says DDF is not good for hair so lets buy CDF. But we have to make sure that CDF is not sold.

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Manager
Joined: 08 Nov 2015
Posts: 56
GMAT 1: 460 Q32 V22

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20 Jul 2016, 01:52
Labrador: About one third of the dog population eats canned dog food. However, dry dog food is clearly the best choice for a dog's diet.

Alsatian: Dry dog food is not tasty. Dogs that are fed dry food should get their owners to buy the canned food for them.

Which of the following, if true, most weakens the Alsatian's objection?

a. Canned food contains a high level of meat content and is, therefore, very nutritious for dogs.
b. Dry dog food is known to easily attract pests.
c. Dog owners should consult with a veterinarian before choosing which type of dog food to feed their pet.
d. Because it is soft, canned dog food cannot assist in maintaining healthy strong teeth in dogs.
e. Dry dog food does not provide the oils that dogs need to keep their skin and hair healthy.

D is clearly the winner among the choice of answers. For a typical weaken type of question we must either negate the given conclusion or should prove the the said conclusion doesn't justify the given statement. D clearly attacks the conclusion and proves that canned food might not be as helpful as dry dog food
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29 Sep 2018, 11:50
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