Rats are generally more active than mice. But since gerbils

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Rats are generally more active than mice. But since gerbils [#permalink]

03 Jan 2005, 18:57

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Rats are generally more active than mice. But since gerbils are generally more active than hamsters, it follows that rats are generally more active than hamsters.

Any of the following, if introduced into the argument as an additional premise, makes the argument above logically correct EXCEPT:

A. Gerbils are generally more active than rats
B. Mice are generally more active than hamsters
C. Mice are generally more active than gerbils
D. Mice and gerbils are generally equally active
E. Rats and gerbils are generally equally active

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03 Jan 2005, 19:34

Pick A.

Given R>M; G>H =>R>H
a)G>R does not necessarily imply R>H
b) M>H => R>M>H
c) M>G => R>M>G>H
d) M=G => M>H => R>H
e) R=G => R>H

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03 Jan 2005, 20:06

gayathri wrote:

Pick A.

Given R>M; G>H =>R>H
a)G>R does not necessarily imply R>H
b) M>H => R>M>H
c) M>G => R>M>G>H
d) M=G => M>H => R>H
e) R=G => R>H

Gayathri, can you please further explain how to tackle this kind of questions? I generally have a problem understanding how to attack this problem even after reading it from the OG and seeing the OA.

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03 Jan 2005, 21:06

i pick A too.

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03 Jan 2005, 21:19

Folaa3 wrote:

Gayathri, can you please further explain how to tackle this kind of questions? I generally have a problem understanding how to attack this problem even after reading it from the OG and seeing the OA.

Folaa3, look at the post below which is a discussion of the OG question.
http://www.gmatclub.com/phpbb/viewtopic.php?t=12458&highlight=kale

let me know if that was useful...

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03 Jan 2005, 21:58

Another vote for A

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03 Jan 2005, 23:07

A here as well. D and E strenghten the arguement. good xplnation gayathri

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03 Jan 2005, 23:30

Good job everyone. OA is A.

[#permalink] 03 Jan 2005, 23:30

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Rats are generally more active than mice. But since gerbils

Rats are generally more active than mice. But since gerbils

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