CR: Closely parallels

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CR: Closely parallels

by coolanubhav2002 » Sat Oct 27, 2012 3:48 am
A bullet train travels in excess of 150 miles per hour. Therefore, if a train travels slower than 150 miles per hour, it is not a bullet train.


Which of the following most closely parallels the reasoning used in the argument above?

(A) An orange ripens only on the vine. If it ripens on the vine, then it is not an orange.
(B) Newspapers are often read by more than one person. Therefore, magazines are also likely to be read by more than one person.
(C) An earthquake of 5.0 or above on the Richter scale causes massive damage. If there is not massive damage, then the earthquake did not attain a 5.0 or above.
(D) A supersonic plane travels at speeds in excess of Mach 1. If it is not supersonic, then it will travel at speeds below Mach 1.
(E) Fluoride generally prevents cavities. If there are no cavities, then there was no fluoride used.

OA: C
Last edited by coolanubhav2002 on Sun Nov 04, 2012 8:54 am, edited 1 time in total.
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by gmatwar13 » Sat Oct 27, 2012 7:20 am
C
Reasoning:
Argument is like: A then B, if not B then not A .... So C matches on that line..

OA?

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by ice_rush » Sat Oct 27, 2012 11:40 am
i'd go with E. What's the OA?

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by Newbie_FastLearner » Sun Oct 28, 2012 4:11 am
Answer should be E

also C says Earthquake->Massive damage. No Massive Damage-> Earthquake didn't achieve 5.0 or above. the Option C would have been correct if it said Earthquake->Massive damage. No Massive Damage-> No Earthquake

coolanubhav2002 wrote:A bullet train travels in excess of 150 miles per hour. Therefore, if a train travels slower than 150 miles per hour, it is not a bullet train.


Which of the following most closely parallels the reasoning used in the argument above?

(A) An orange ripens only on the vine. If it ripens on the vine, then it is not an orange.
(B) Newspapers are often read by more than one person. Therefore, magazines are also likely to be read by more than one person.
(C) An earthquake of 5.0 or above on the Richter scale causes massive damage. If there is not massive damage, then the earthquake did not attain a 5.0 or above.
(D) A supersonic plane travels at speeds in excess of Mach 1. If it is not supersonic, then it will travel at speeds below Mach 1.
(E) Fluoride generally prevents cavities. If there are no cavities, then there was no fluoride used.

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by anuprajan5 » Sun Oct 28, 2012 4:51 am
I would say this is C

The problem with E for me is that both ends are negative. Fluorides generally prevent cavities. If there are no cavities present, then fluoride was not used. But this illogical. If cavities were not present then fluoride was used because fluoride prevents cavities.

As to C, the relationship is

Earthquake of 5.0 or above ->Massive damage. No Massive Damage-> Earthquake didn't achieve 5.0 or above
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Anup

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by coolanubhav2002 » Fri Nov 02, 2012 3:07 am
OA: C