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At Flordyce University any student who wants to participate in a certa

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At Flordyce University any student who wants to participate in a certa  [#permalink]

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New post 14 Aug 2010, 00:15
1
9
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

72% (02:20) correct 28% (02:37) wrong based on 401 sessions

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At Flordyce University any student who wants to participate in a certain archaeological dig is eligible to do so but only if the student has taken at least one archaeology course and has shown an interest in the field. Many students who have shown an interest in archaeology never take even one archaeology course. Therefore, many students who want to participate in the dig will be ineligible to do so.

The flawed reasoning of which one of the following arguments is most similar to that of the argument above?


(A) Theoretically, any jar is worth saving regardless of its size, but only if it has a lid. Therefore, since some jars are sure not to have lids, there are certain sizes of jar that are actually not worth saving.

(B) For a horse that is well schooled to be ideal for beginning riders that horse must also be surefooted and gentle. Many horses that are surefooted are not gentle. Therefore many well-schooled horses are not ideal for beginning riders.

(C) If an author’s first novel has a romantic setting and a suspenseful plot, it will become a best-seller. Since many authors’ first novels have neither, not many first novels become best-sellers.

(D) Any automobile that is more than a few years old is eventually sure to need repairs if it is not regularly maintained. Many automobiles are more than a few years old, but still do not need repairs. Therefore, many automobiles are regularly maintained.

(E) An expensive new building will prove to be a good investment only if it is aesthetically pleasing or provides lots of office space. However, since many expensive new buildings are not aesthetically pleasing, few expensive new buildings will prove to be good investments.
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New post 14 Aug 2010, 00:32
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Got B.

E says aesthetically pleasing OR provides lots of office space(either one), while the argument specifies one archaeology course AND interest in the field (both)

B looks perfect in that context
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New post 14 Aug 2010, 00:41
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"B" seems to be the only contender, but it is by no means a good match.

I'd say this is 700+ question. How do you guys think?
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New post 14 Aug 2010, 02:00
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rohitgoel15 wrote:
At Flordyce University any student who wants to participate in a certain archaeological dig is eligible to do so but only if the student has taken at least one archaeology course and has shown an interest in the field. Many students who have shown an interest in archaeology never take even one archaeology course. Therefore, many students who want to participate in the dig will be ineligible to do so.
The flawed reasoning of which one of the following arguments is most similar to that of the argument above?

(B) For a horse that is well schooled to be ideal for beginning riders that horse must also be surefooted and gentle. Many horses that are surefooted are not gentle. Therefore many well-schooled horses are not ideal for beginning riders.

(E) An expensive new building will prove to be a good investment only if it is aesthetically pleasing or provides lots of office space. However, since many expensive new buildings are not aesthetically pleasing, few expensive new buildings will prove to be good investments.

Please help me know how to choose between B and E. I fell for E.


B it is.

The arguments:

- To participate in the dig - Student must have: one archeology course + interest in the field.
- Many students have interest but no archeology course
=> Many students who want to participate in the dig will not be able to.

The flaw: "Many students" is not the same as "Many students who want to participate in the dig", for example, many students in the world has an IQ of 110, therefore many students in Harvard will have an IQ of 110.

B repeat the same flaws: "For a horse that is well schooled" is not the same as "Many horse", and plus B parallels in the reasoning with the original argument

E is not parrallel in the reasoning just as Ramana said, we need an "and", not an "or".
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New post 14 Aug 2010, 02:07
Thanks Ramana. I overlooked the OR :(
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New post 14 Aug 2010, 02:12
Damn! I was running fast and mistook ineligible for eligible ...
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New post 14 Aug 2010, 13:31
B for me because only B has 2 conditions with 'and' which matches the argument. All other options are out.
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New post 18 Aug 2010, 07:47
Good question. gautrang is spot on !
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New post 07 Jul 2013, 23:30
If x and y exists, only then z can be true.

If x or y doesn't exist, then z cannot be true.


Only B follows this. :)
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New post 19 Nov 2014, 23:26
Option B talks about x AND y relationship Option E talks about x OR y relationship so i think b/t B and E , B is correct choice. My take
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New post 09 Aug 2015, 19:19
Request you not to write your queries/answers/opinions in question window. It prevents ppl from analysing the question. The whole purpose of GMAT Club forum goes wasted by doing so.
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New post 11 Sep 2016, 01:48
1
1
At Flordyce University any student who wants to participate in a certain archaeological dig is eligible to do so but only if the student has
taken at least one archaeology course and has shown an interest in the field.
Many students who have shown an interest in archaeology never take even one archaeology course.
Therefore, many students who want to participate in the dig will be ineligible to do so.
The flawed reasoning of which one of the following arguments is most similar to that of the argument above?

Logical reasoning--

A(student to participate in arch Dig) ----> B(student to take arch course)

-B(student not taking arch course) ----> -A(student ineligible to participate in arch Dig)

(A) Theoretically, any jar is worth saving regardless of its size, but only if it has a lid.
Therefore, since some jars are sure not to have lids, there are certain sizes of jar that are actually not worth saving.

1. Jar irrespective of size workth saving ----> it has a lid
2. Some Jars are not sure have lids---> there are certain Size that are actually not worth saving

(incorrect not in conformity)

(B) For a horse that is well schooled to be ideal for beginning riders that horse must also be surefooted and gentle.
Many horses that are surefooted are not gentle. Therefore many well-schooled horses are not ideal for beginning riders.

horse that is well schooled to be ideal for beginning riders ----> horse must also be surefooted and gentle
A + B = C + D

==> B ==D

Many horses that are surefooted are not gentle. Therefore many well-schooled horses are not ideal for beginning riders.

C -D = A -B

==> -D == -B

Ans, option B best choice

(C) If an author’s first novel has a romantic setting and a suspenseful plot, it will become a best-seller.
Since many authors’ first novels have neither, not many first novels become best-sellers.

A novel -->B(romantic setting) and C(suspenseful plot)==> D (best-seller)
A novel--> X B(romantic setting) and X C(suspenseful plot)==> X D (best-seller)

===> correct form -D = -B and -C , hence C eliminated

(D) Any automobile that is more than a few years old is eventually sure to need repairs if it is not regularly maintained.
Many automobiles are more than a few years old, but still do not need repairs. Therefore, many automobiles are regularly maintained.

A -->B---> -C
A---> -B---> C


(E) An expensive new building will prove to be a good investment only if it is aesthetically pleasing or provides lots of office space.
However, since many expensive new buildings are not aesthetically pleasing, few expensive new buildings will prove to be good investments.



A--->Good Investment If B(aesthetically pleasing) OR C(lots of office space)

A---> -B(not aesthetically pleasing), A---> Good Investment ???


Incorrect


Hence , Ans B.
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New post 11 Sep 2016, 02:10
Reasoning of the argument is of the form, if A and B, then C.

Option B works on the similar principle. Other options are bases on if A, then C.

So, B is correct.
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New post 27 Aug 2018, 12:29
I choose B because the analogy fits.
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Re: At Flordyce University any student who wants to participate in a certa &nbs [#permalink] 27 Aug 2018, 12:29
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