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I have doubt in this Q will discuss later Since all dogs are

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Director
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I have doubt in this Q will discuss later Since all dogs are [#permalink] New post 03 Mar 2009, 09:05
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A
B
C
D
E

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(N/A)

Question Stats:

50% (00:00) correct 50% (01:01) wrong based on 1 sessions
I have doubt in this Q
will discuss later

Since all dogs are animals, and cats are animals, then all cats are dogs.
Which of the following parallels the reasoning in the passage above?
A. All men are human beings, and children are human beings. Therefore
all men are children.
B. All children are human beings, and some men are children. Therefore
all men are human beings.
C. Some men are heavy, and some men are tall. Therefore all tall men
are heavy.
D. Some animals are dogs, and some animals are cats. Therefore all dogs
and cats are animals.
E. All cats are animals, and some animals are dogs. Therefore some
animals could be cats or dogs.

source:cliff
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Director
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Re: CR-parallel Reasoning [#permalink] New post 03 Mar 2009, 10:09
IMO A.

All X ---> Z; Y --->Z so All X= Y.

Only A satisfies this logic.
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Re: CR-parallel Reasoning [#permalink] New post 03 Mar 2009, 18:25
Dont you think "A" should have been written as
A. All men (X)are human(Z) beings, and children(Y) are human(Z) beings. Therefore
all children(Y) are men(X).
ugimba wrote:
IMO A.

All X ---> Z; Y --->Z so All X= Y.

Only A satisfies this logic.

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Re: CR-parallel Reasoning [#permalink] New post 03 Mar 2009, 20:50
nitya34 wrote:
I have doubt in this Q
will discuss later

Since all dogs are animals, and cats are animals, then all cats are dogs.
Which of the following parallels the reasoning in the passage above?
A. All men are human beings, and children are human beings. Therefore
all men are children. This is wrong, should be therefore all children are men
B. All children are human beings, and some men are children. Therefore
all men are human beings. This is wrong, should be therefore some men are human being.
C. Some men are heavy, and some men are tall. Therefore all tall men
are heavy. This is wrong, can not conclude all tall men are heavy, based on the condition.
D. Some animals are dogs, and some animals are cats. Therefore all dogs
and cats are animals. This is wrong, can not conclude all dogs and cats based on some.
E. All cats are animals, and some animals are dogs. Therefore some
animals could be cats or dogs. This is the correct answer in my opinion.

source:cliff
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Re: CR-parallel Reasoning [#permalink] New post 03 Mar 2009, 21:32
Yes i also believe E shld be he answer for the same reasons as eileen
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Re: CR-parallel Reasoning [#permalink] New post 03 Mar 2009, 22:57
OA given is A(wrongly worded)
thanks for the discussion.we can ignore the Q as source is not that great!!
if needed I can upload the CR part of the book(some 35 pages or so)

hope there is no copyright issue(as its available everywhere)
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Re: CR-parallel Reasoning [#permalink] New post 04 Mar 2009, 04:35
Stem : Since all D=a and C=a, all C=D

A says: Since all M=h and C=h, all M=C
1 KUDOS received
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Re: CR-parallel Reasoning [#permalink] New post 13 Mar 2010, 12:39
1
This post received
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+1 for E
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Re: I have doubt in this Q will discuss later Since all dogs are [#permalink] New post 15 Oct 2013, 06:55
nitya34 wrote:
I have doubt in this Q
will discuss later

Since all dogs are animals, and cats are animals, then all cats are dogs.
Which of the following parallels the reasoning in the passage above?
A. All men are human beings, and children are human beings. Therefore
all men are children.
B. All children are human beings, and some men are children. Therefore
all men are human beings.
C. Some men are heavy, and some men are tall. Therefore all tall men
are heavy.
D. Some animals are dogs, and some animals are cats. Therefore all dogs
and cats are animals.
E. All cats are animals, and some animals are dogs. Therefore some
animals could be cats or dogs.

source:cliff



hi there,
may you please help me guys,
I know that A is the correct answer, but why C is wrong?
How can we surely take out C?
look, C says some men are heavy (heavy men are men = dogs are animals).
tall men are men also (tall men are men = cats are animals).
so all tall men are heavy (= so all cats are dogs).
please let me know where I'm wrong.
and provide explanations please.
Thanks
Intern
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Re: I have doubt in this Q will discuss later Since all dogs are [#permalink] New post 19 Oct 2013, 00:32
omraan wrote:
nitya34 wrote:
I have doubt in this Q
will discuss later

Since all dogs are animals, and cats are animals, then all cats are dogs.
Which of the following parallels the reasoning in the passage above?
A. All men are human beings, and children are human beings. Therefore
all men are children.
B. All children are human beings, and some men are children. Therefore
all men are human beings.
C. Some men are heavy, and some men are tall. Therefore all tall men
are heavy.
D. Some animals are dogs, and some animals are cats. Therefore all dogs
and cats are animals.
E. All cats are animals, and some animals are dogs. Therefore some
animals could be cats or dogs.

source:cliff



hi there,
may you please help me guys,
I know that A is the correct answer, but why C is wrong?
How can we surely take out C?
look, C says some men are heavy (heavy men are men = dogs are animals).
tall men are men also (tall men are men = cats are animals).
so all tall men are heavy (= so all cats are dogs).
please let me know where I'm wrong.
and provide explanations please.
Thanks



Hi there, please sb answer my above question, it's really on my nerve, can anybody say how can we rule out item C?????
Re: I have doubt in this Q will discuss later Since all dogs are   [#permalink] 19 Oct 2013, 00:32
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I have doubt in this Q will discuss later Since all dogs are

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