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A medium-grained, light-colored igneous rock, the components of

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A medium-grained, light-colored igneous rock, the components of [#permalink]

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New post 10 Aug 2015, 11:56
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A medium-grained, light-colored igneous rock, the components of granophyre are two minerals, quartz and feldspar, which is an aluminosilicate substance.

A)A medium-grained, light-colored igneous rock, the components of granophyre are two minerals, quartz and feldspar, which is an aluminosilicate substance.

B)A medium-grained, light-colored igneous rock, two minerals, quartz and feldspar, which is an aluminosilicate substance, are the components of granophyre.

C) A medium-grained, light-colored igneous rock, granophyre is composed of two minerals, feldspar, which is an aluminosilicate substance, and quartz.

D) Granophyre is composed of two minerals, quartz and feldspar, which is an aluminosilicate substance, and a medium-grained, light-colored igneous rock.

E) The components being two minerals, quartz and feldspar, which is an aluminosilicate substance, granophyre is a medium-grained, light colored igneous rock.
[Reveal] Spoiler: OA

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Re: A medium-grained, light-colored igneous rock, the components of [#permalink]

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New post 11 Aug 2015, 07:32
zxcvbnmas wrote:
A medium-grained, light-colored igneous rock, the components of granophyre are two minerals, quartz and feldspar, which is an aluminosilicate substance.

A)A medium-grained, light-colored igneous rock, the components of granophyre are two minerals, quartz and feldspar, which is an aluminosilicate substance.- A medium grained ....rock is modifying components

B)A medium-grained, light-colored igneous rock, two minerals, quartz and feldspar, which is an aluminosilicate substance, are the components of granophyre.- Here Rock minerals and quart are put as a parallel list, which is not intended

C) A medium-grained, light-colored igneous rock, granophyre is composed of two minerals, feldspar, which is an aluminosilicate substance, and quartz.- Properly modifies.Correct.

D) Granophyre is composed of two minerals, quartz and feldspar, which is an aluminosilicate substance, and a medium-grained, light-colored igneous rock - And a medium light grain rock is wrong as it has no proper subject

E) The components being two minerals, quartz and feldspar, which is an aluminosilicate substance, granophyre is a medium-grained, light colored igneous rock.
-Being two minerals is wrong usage


C looks better answer here.

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Re: A medium-grained, light-colored igneous rock, the components of [#permalink]

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New post 05 Feb 2016, 01:30
The modifier:'A medium grained, light-colored igneous rock' modifies granophyre and not components or two minerals, and thus should be followed by the word granophyre. So, A and B can be eliminated. Also, 'which is an aluminosilicate substance' modifies a singular subject because of the presence of singular verb 'is'. Thus it cannot follow plural 'quartz and feldspar'. Thus D and E are eliminated.
Correct answer is C.

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Re: A medium-grained, light-colored igneous rock, the components of [#permalink]

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New post 16 Sep 2017, 23:59
Hey VeritasPrepKarishma GMATNinja

I have a few questions and would request your help to resolve my doubts

- In Option C, don't we need "and" between "A medium-grained, light-colored igneous rock" ?
- In Option D, "which" is correctly referring to "feldspar" (the nearest noun). "which" can't refer to both "quartz and feldspar"

Thanks :-)

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Re: A medium-grained, light-colored igneous rock, the components of [#permalink]

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New post 17 Sep 2017, 08:22
pikolo2510 wrote:
Hey VeritasPrepKarishma GMATNinja

I have a few questions and would request your help to resolve my doubts

- In Option C, don't we need "and" between "A medium-grained, light-colored igneous rock" ?
- In Option D, "which" is correctly referring to "feldspar" (the nearest noun). "which" can't refer to both "quartz and feldspar"

Thanks :-)


- In Option C, don't we need "and" between "A medium-grained, light-colored igneous rock" ? - Ideally AND should have been present for simplicity, but for this context Comma is also fine.
- In Option D, "which" is correctly referring to "feldspar" (the nearest noun). "which" can't refer to both "quartz and feldspar" - As per GMAT nomenclature, WHICH refers to the nearest Noun. In this it is Feldspar
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Re: A medium-grained, light-colored igneous rock, the components of [#permalink]

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New post 17 Sep 2017, 23:24
elegantm wrote:
pikolo2510 wrote:
Hey VeritasPrepKarishma GMATNinja

I have a few questions and would request your help to resolve my doubts

- In Option C, don't we need "and" between "A medium-grained, light-colored igneous rock" ?
- In Option D, "which" is correctly referring to "feldspar" (the nearest noun). "which" can't refer to both "quartz and feldspar"

Thanks :-)


- In Option C, don't we need "and" between "A medium-grained, light-colored igneous rock" ? - Ideally AND should have been present for simplicity, but for this context Comma is also fine.
- In Option D, "which" is correctly referring to "feldspar" (the nearest noun). "which" can't refer to both "quartz and feldspar" - As per GMAT nomenclature, WHICH refers to the nearest Noun. In this it is Feldspar


Hey elegantm

Thanks for your feedback.

I concur with the point you made for Option D - "which" is referring to "feldspar", so how is D incorrect?

OA says D is wrong because "which" is referring to both "quartz and feldspar". I don't agree with this reasoning

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Re: A medium-grained, light-colored igneous rock, the components of [#permalink]

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New post 20 Sep 2017, 03:24
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pikolo2510 wrote:
elegantm wrote:
pikolo2510 wrote:
Hey VeritasPrepKarishma GMATNinja

I have a few questions and would request your help to resolve my doubts

- In Option C, don't we need "and" between "A medium-grained, light-colored igneous rock" ?
- In Option D, "which" is correctly referring to "feldspar" (the nearest noun). "which" can't refer to both "quartz and feldspar"

Thanks :-)


- In Option C, don't we need "and" between "A medium-grained, light-colored igneous rock" ? - Ideally AND should have been present for simplicity, but for this context Comma is also fine.
- In Option D, "which" is correctly referring to "feldspar" (the nearest noun). "which" can't refer to both "quartz and feldspar" - As per GMAT nomenclature, WHICH refers to the nearest Noun. In this it is Feldspar


Hey elegantm

Thanks for your feedback.

I concur with the point you made for Option D - "which" is referring to "feldspar", so how is D incorrect?

OA says D is wrong because "which" is referring to both "quartz and feldspar". I don't agree with this reasoning


Hi pikolo2510,

In option D, 'which' is correctly referring to feldspar and not both. D is incorrect in a way because it places the fragment “a medium-grained, light-colored igneous rock” after AND.

To add more to it, Granophyre is some kind of rock which is composed of two minerals. Option D states that Granophyre is composed of two minerals AND a medium-grained, light-colored igneous rock.

I hope it helps :)

Kudos [?]: 9 [1], given: 32

Re: A medium-grained, light-colored igneous rock, the components of   [#permalink] 20 Sep 2017, 03:24
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