In his experiments with gravity

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atulmangal: Legendary Member; Posts: 1112; Joined: Sat Feb 26, 2011 11:16 amFollowed by: 49 members; Thanked: 77 times

by atulmangal » Thu Mar 31, 2011 8:26 am

In his experiments with gravity, Isaac Newton showed how the motion of each planet in the solar
system results from the combined gravitational pull of the Sun and of all the other planets, each contributing according to their mass and distance from the others.
A. of all the other planets, each contributing according to their
B. of all the other planets, with each of them contributing according to their
C. all the other planets, each of which contributing according to its
D. all the other planets, each contributing according to its
E. all the other planets, each of which contribute according to their

Guys the OA given is D but my take was C can anyone suggest why C is wrong???

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Source: Beat The GMAT — Sentence Correction | Thu Mar 31, 2011 8:26 am

HSPA: Legendary Member; Posts: 1101; Joined: Fri Jan 28, 2011 7:26 amFollowed by: 13 members; Thanked: 47 times; GMAT Score:640

by HSPA » Thu Mar 31, 2011 8:42 am

My guess:

each and which are pronouns...

each is distributive... which is relative pronoun..

I dont think we can place two pronouns like 'he of whom'

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Second take: coming soon..
Regards,
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force5: Legendary Member; Posts: 582; Joined: Tue Mar 08, 2011 12:48 amFollowed by: 6 members; Thanked: 61 times; GMAT Score:740

by force5 » Thu Mar 31, 2011 8:42 am

imo D

each of which is incorrect in C

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AIM GMAT: Legendary Member; Posts: 857; Joined: Wed Aug 25, 2010 1:36 amFollowed by: 15 members; Thanked: 56 times

by AIM GMAT » Thu Mar 31, 2011 8:51 am

IMO D too .

Each of which contributing - Each is singular how can you have something out of singular each ? of which cannot refer to all other planets .
Each contributing - each = single planet (out of all other) contributing

Thanks & Regards,
AIM GMAT

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aspirant2011: Legendary Member; Posts: 1574; Joined: Fri Jan 28, 2011 2:52 amFollowed by: 13 members; Thanked: 88 times

by aspirant2011 » Thu Mar 31, 2011 8:54 am

i feel C is wrong because "each of which" is wordy though "which in each of which" seems to refer to planets but in comparison to D, C is wordier as D is using only "each" to refer to one planet out of many planets..............

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HSPA: Legendary Member; Posts: 1101; Joined: Fri Jan 28, 2011 7:26 amFollowed by: 13 members; Thanked: 47 times; GMAT Score:640

by HSPA » Thu Mar 31, 2011 8:58 am

He, in whom the devil lies...

Can we write a sentense like this? Is this in analogy with "each of which"

i dont see anything wrong with "each of which" as per my example..

I think it is just wordy...

First take: 640 (50M, 27V) - RC needs 300% improvement
Second take: coming soon..
Regards,
HSPA.

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rohu27: Legendary Member; Posts: 586; Joined: Tue Jan 19, 2010 4:38 amFollowed by: 5 members; Thanked: 31 times; GMAT Score:730

by rohu27 » Thu Mar 31, 2011 9:06 am

i dnt think each of which is a wrong construction:

see Rons's post below:

https://www.manhattangmat.com/forums/lao ... t5749.html[/url]

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rohu27: Legendary Member; Posts: 586; Joined: Tue Jan 19, 2010 4:38 amFollowed by: 5 members; Thanked: 31 times; GMAT Score:730

by rohu27 » Thu Mar 31, 2011 9:08 am

rohu27 wrote:i dnt think each of which is a wrong construction:

see Rons's post below:

https://www.manhattangmat.com/forums/lao ... t5749.html[/url]

u need to look dwn the posts where in he mentions each of which, tht problem deals wth many of them

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tpr-becky: GMAT Instructor; Posts: 509; Joined: Wed Apr 21, 2010 1:08 pmFollowed by: 85 members; Location: Irvine, CA; Thanked: 199 times; GMAT Score:750

by tpr-becky » Thu Mar 31, 2011 9:10 am

The which is unnecessary - each already refers to planets based on the comma and it is not necessary to say of which again to refer to the planets. Therefore D is correct.

Becky
Master GMAT Instructor
The Princeton Review
Irvine, CA

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rohu27: Legendary Member; Posts: 586; Joined: Tue Jan 19, 2010 4:38 amFollowed by: 5 members; Thanked: 31 times; GMAT Score:730

by rohu27 » Thu Mar 31, 2011 9:14 am

tpr-becky wrote:The which is unnecessary - each already refers to planets based on the comma and it is not necessary to say of which again to refer to the planets. Therefore D is correct.

Becky,
thanks for tht bu ti was just trying to understand the formation 'each of which'
i own two cars,each of which is black -> is this correct?

just trying to understand what exactly is wrong wth option C here.
shud it have been each of which contributes to?

Thanks for ur time.

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atulmangal: Legendary Member; Posts: 1112; Joined: Sat Feb 26, 2011 11:16 amFollowed by: 49 members; Thanked: 77 times

by atulmangal » Thu Mar 31, 2011 9:34 am

tpr-becky wrote:The which is unnecessary - each already refers to planets based on the comma and it is not necessary to say of which again to refer to the planets. Therefore D is correct.

Thanks for your useful post Becky..

I have one more question,
suppose instead of Sun, the word Stars (plural noun) is there..
then a part of the sentence is like

combined gravitational pull of the Stars and of all the other planets, each contributing according to its..

Now in this case do we have to use each of which to clarify that its planets which are contributing or still only each is sufficient and refer back to planets?????

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lunarpower: GMAT Instructor; Posts: 3380; Joined: Mon Mar 03, 2008 1:20 amFollowed by: 1535 members; Thanked: 2256 times; GMAT Score:800

by lunarpower » Fri Apr 01, 2011 3:06 am

since you've narrowed the choices to (c) and (d), i'll assume that you understand why the pronoun "its" is correct (and, correspondingly, why the pronoun "their" is incorrect).

modifiers that start with the relative pronouns "who", "which", "that" must actually be CLAUSES. in other words, the modifier must actually contain a VERB whose subject is who/which/that.
this doesn't happen in choice (c); there is no verb present in the modifier. (note that -ing constructions are not verbs!)

the modifier in choice (d) is in a different class of modifiers altogether; you may want to search the forum for "absolute phrase" if you want more information on how this type of modifier works. these kinds of modifiers DON'T involve verbs; they generally have the form COMMA + (PRO)NOUN + ADJ, where ADJ could be either an actual adjective or a modifier that plays the role of an adjective (such as an -ing modifier).
choice (d) uses the absolute phrase modifier correctly: the pronoun is followed by "contributing", which is an adjective-type modifier.

note that these absolute phrases cannot contain verbs; if you put a verb into an absolute phrase, it becomes a run-on.

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atulmangal: Legendary Member; Posts: 1112; Joined: Sat Feb 26, 2011 11:16 amFollowed by: 49 members; Thanked: 77 times

by atulmangal » Fri Apr 01, 2011 3:48 am

lunarpower wrote:since you've narrowed the choices to (c) and (d), i'll assume that you understand why the pronoun "its" is correct (and, correspondingly, why the pronoun "their" is incorrect).

modifiers that start with the relative pronouns "who", "which", "that" must actually be CLAUSES. in other words, the modifier must actually contain a VERB whose subject is who/which/that.
this doesn't happen in choice (c); there is no verb present in the modifier. (note that -ing constructions are not verbs!)

the modifier in choice (d) is in a different class of modifiers altogether; you may want to search the forum for "absolute phrase" if you want more information on how this type of modifier works. these kinds of modifiers DON'T involve verbs; they generally have the form COMMA + (PRO)NOUN + ADJ, where ADJ could be either an actual adjective or a modifier that plays the role of an adjective (such as an -ing modifier).
choice (d) uses the absolute phrase modifier correctly: the pronoun is followed by "contributing", which is an adjective-type modifier.

note that these absolute phrases cannot contain verbs; if you put a verb into an absolute phrase, it becomes a run-on.

Sir, your post rock...i certainly missed that an absolute phrase is there in the Op D...i added your points in my concept book...Thanks

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rohu27: Legendary Member; Posts: 586; Joined: Tue Jan 19, 2010 4:38 amFollowed by: 5 members; Thanked: 31 times; GMAT Score:730

by rohu27 » Fri Apr 01, 2011 3:53 am

thanks Ron,
so if C was each of which contributes XXXX - it would have been a correct option then?
as it contains a verb now?

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lunarpower: GMAT Instructor; Posts: 3380; Joined: Mon Mar 03, 2008 1:20 amFollowed by: 1535 members; Thanked: 2256 times; GMAT Score:800

by lunarpower » Fri Apr 01, 2011 4:20 am

rohu27 wrote:thanks Ron,
so if C was each of which contributes XXXX - it would have been a correct option then?
as it contains a verb now?

yes.

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