GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 22 Sep 2018, 06:13

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

Unlike diamonds with other colors, it is very difficult to determine

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Intern
Intern
avatar
S
Joined: 05 Apr 2016
Posts: 28
Location: India
GMAT 1: 670 Q48 V34
Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 01 Apr 2018, 13:18
4
10
00:00
A
B
C
D
E

Difficulty:

  85% (hard)

Question Stats:

35% (00:50) correct 65% (01:00) wrong based on 489 sessions

HideShow timer Statistics

Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.

1. Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.
3. Unlike other diamonds, whether color of green diamonds is natural or treated is very difficult to determine.
4. It is very difficult, unlike that of other diamonds, to determine whether the color of Green diamonds is natural or treated.
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.
Senior Manager
Senior Manager
avatar
P
Joined: 17 Mar 2014
Posts: 382
GMAT ToolKit User Premium Member Reviews Badge CAT Tests
Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 01 Apr 2018, 20:02
1
prashants412 wrote:
Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.

1. Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.
3. Unlike other diamonds, whether color of green diamonds is natural or treated is very difficult to determine.
4. It is very difficult, unlike that of other diamonds, to determine whether the color of Green diamonds is natural or treated.
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.


prashants412, Could you advise what is the source of question ?

OA is totally out of league for me.

What does "their" refer in option E. does "their" refer to Green Diamonds or to "other diamonds".

GMATNinja, Could you please explain this SC. E looks awkward to me.
Intern
Intern
avatar
B
Joined: 21 May 2017
Posts: 3
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 01 Apr 2018, 20:53
Proper comparison rules out 1,3,4 , between 2 and 5 , I went for 5 as repeatition of to be seems inappropriate here

Posted from my mobile device
Intern
Intern
avatar
B
Joined: 21 May 2017
Posts: 3
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 01 Apr 2018, 21:40
Their refers to collectively diamonds

Posted from my mobile device
Senior Manager
Senior Manager
User avatar
G
Joined: 14 Feb 2018
Posts: 375
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 01 Apr 2018, 22:56
3
What is the source of this question ?? Options appear to very absurd....E should have been better framed....."their" refers to what....green diamonds or other diamonds..is not clear at all !!

Sent from my Lenovo K53a48 using GMAT Club Forum mobile app
Intern
Intern
avatar
S
Joined: 05 Apr 2016
Posts: 28
Location: India
GMAT 1: 670 Q48 V34
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 02 Apr 2018, 09:37
ammuseeru wrote:
prashants412 wrote:
Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.

1. Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.
3. Unlike other diamonds, whether color of green diamonds is natural or treated is very difficult to determine.
4. It is very difficult, unlike that of other diamonds, to determine whether the color of Green diamonds is natural or treated.
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.


prashants412, Could you advise what is the source of question ?

OA is totally out of league for me.

What does "their" refer in option E. does "their" refer to Green Diamonds or to "other diamonds".

GMATNinja, Could you please explain this SC. E looks awkward to me.


Requested GMATNinja to explain this SC.

I will share my approach to this below, especially why E is the best answer choice.

1. Incorrect comparison and "Unlike diamonds with other colors" incorrectly modifies "it".

2. Awkward passive voice construction.

3. Same as 1.

4. Same as 1.

5. There is a clear comparison between "Green diamonds" and "other diamonds" using "unlike". Both nouns are compared.
"in that" is followed by a more specific information about "Green diamonds".

"Green diamonds" is the subject which is compared with "other diamonds" and "in that" is used to introduce more specific information about the subject.
Thus their refers to the subject of the sentence.
Study Buddy Forum Moderator
User avatar
D
Joined: 04 Sep 2016
Posts: 1193
Location: India
WE: Engineering (Other)
Premium Member CAT Tests
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 07 Apr 2018, 05:18
PrayasT GMAT215

Here are my few cents:
Quote:
Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.

Incorrect comparison - After unlike + noun, immediately what should follow coma is a noun.


Quote:
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.

While using unlike/ like, follow two rules:
1. It can not be used to show examples, it is used to show comparison.
2. It must be followed by noun and not a clause

Here we are comparing X (colors of different diamonds) with Y (colors of green diamonds), which is logical and
grammatically correct.

Quote:
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated

Incorrect usage of unlike in a clause.
Unlike will usually end with a phrase (only noun), and is not usually a part of independent clause.

See this official sentence for details.

Hope this helps.
_________________

It's the journey that brings us happiness not the destination.

Manager
Manager
User avatar
G
Joined: 01 Jun 2015
Posts: 227
Location: India
Concentration: Strategy, International Business
GMAT 1: 620 Q48 V26
GMAT ToolKit User
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 07 Apr 2018, 05:47
1
The only red flag with option E is the pronoun "their".Otherwise E could be the winner.
Study Buddy Forum Moderator
User avatar
D
Joined: 04 Sep 2016
Posts: 1193
Location: India
WE: Engineering (Other)
Premium Member CAT Tests
Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 07 Apr 2018, 05:52
techiesam


Quote:
The only red flag with option E is the pronoun "their".Otherwise E could be the winner.


Quote:
Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.


Nope, don't think that's an issue here.

their is a possessive pronoun which can refer to simple and possessive noun, here it correctly refers to diamonds

VeritasPrepKarishma AjiteshArun
_________________

It's the journey that brings us happiness not the destination.

SVP
SVP
User avatar
V
Joined: 15 Jul 2015
Posts: 1696
Location: India
GMAT 1: 780 Q50 V51
GRE 1: Q170 V169
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 07 Apr 2018, 11:27
adkikani wrote:
Nope, don't think that's an issue here.

their is a possessive pronoun which can refer to simple and possessive noun, here it correctly refers to diamonds

VeritasPrepKarishma AjiteshArun
I agree that the their is quite clear. More generally, keep in mind that pronoun ambiguity is not as important as a lot of test takers seem to think it is. A lot of correct options contain ambiguous pronouns.

However, we should not rush to apply rules that get into which pronouns can refer to possessive nouns either. The GMAT could break those rules in the underlined portion of a future question.
_________________

Ascore Prep | Live Online

Manager
Manager
User avatar
G
Joined: 01 Jun 2015
Posts: 227
Location: India
Concentration: Strategy, International Business
GMAT 1: 620 Q48 V26
GMAT ToolKit User
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 08 Apr 2018, 06:29
adkikani wrote:
techiesam


Quote:
The only red flag with option E is the pronoun "their".Otherwise E could be the winner.


Quote:
Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.


Nope, don't think that's an issue here.

their is a possessive pronoun which can refer to simple and possessive noun, here it correctly refers to diamonds

VeritasPrepKarishma AjiteshArun


adkikani
Yes I can see that their is referring to diamond.Which diamond their is referring to? Green diamond or other diamond?
Manager
Manager
User avatar
S
Joined: 17 Jan 2017
Posts: 61
Premium Member
Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 09 Apr 2018, 02:12
1
prashants412 wrote:
Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.

1. Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.
3. Unlike other diamonds, whether color of green diamonds is natural or treated is very difficult to determine.
4. It is very difficult, unlike that of other diamonds, to determine whether the color of Green diamonds is natural or treated.
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.


1. Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.
Incorrect comparison: "diamonds with other colors" with "it"
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.
Correct comparison: "colors of other diamonds" with "color of green diamonds"
Nothing really wrong here. We don't like the passive voice too much.
3. Unlike other diamonds, whether color of green diamonds is natural or treated is very difficult to determine.
Incorrect comparison: "other diamonds" with "whether color of green diamonds"
4. It is very difficult, unlike that of other diamonds, to determine whether the color of Green diamonds is natural or treated.
Correct comparison: "that of (=color of) other diamonds" with "the color of Green diamonds"
Although: The two compared parts are pretty far apart. The comparison in 2. and 5 is clearer.
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.
Correct comparison: "green diamonds" with "other diamonds"
When we have two plural nouns in the sentence ("green diamonds" and "other diamonds"), "their" refers to the subject of the sentence (green diamonds). :thumbup:

Definitely a tough question. We prefer 5. to 2. beacause of the active voice. Hope it helps.

There is also a video explanation on Youtube:

Intern
Intern
avatar
B
Joined: 28 Apr 2014
Posts: 49
GMAT 1: 640 Q50 V25
GMAT ToolKit User
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 11 Apr 2018, 09:10
what is wrong with option 2 and 4?
Intern
Intern
avatar
B
Joined: 07 Jun 2017
Posts: 46
Location: United Arab Emirates
Concentration: Healthcare, International Business
Schools: Queen's MBA'20
GMAT 1: 580 Q42 V28
GPA: 3.19
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 16 Apr 2018, 14:03
1
CORRECT IDIOM IS - UNLIKE X ,Y .Therefore A and C are out
to be determined to be is wrong .hence B is out
It has no referent therefore D is out.Ans is E
Current Student
User avatar
V
Joined: 19 Mar 2012
Posts: 5002
Location: India
GMAT 1: 760 Q50 V42
GPA: 3.8
WE: Marketing (Non-Profit and Government)
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 01 Jun 2018, 06:55
Manager
Manager
avatar
B
Joined: 09 Oct 2016
Posts: 57
CAT Tests
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 30 Jun 2018, 00:53
prashants412 wrote:
Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.

1. Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.
3. Unlike other diamonds, whether color of green diamonds is natural or treated is very difficult to determine.
4. It is very difficult, unlike that of other diamonds, to determine whether the color of Green diamonds is natural or treated.
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.



I still do have doubt about Option E. Would someone pls explain this one.
Here, what "in that " refers to. Ideally it should refer to "Green diamond" but looks like it is referring to "Other diamond". In this case it changes the meaning.

If we remove "unlike other diamonds" then rest of sentence would looks pretty awkward, which shouldn't have happened.


Also would someone pls explain whether X or Y idiom also from parallelism prospective. I think it is "their color is natural" being compared with "treated", which looks to be unidiomatic.

Pls suggest !
thanks in advance !
Retired Moderator
User avatar
D
Status: worked for Kaplan's associates, but now on my own, free and flying
Joined: 19 Feb 2007
Posts: 4542
Location: India
WE: Education (Education)
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 01 Jul 2018, 11:05
Top Contributor
Quote:
4. It is very difficult, unlike that of other diamonds, to determine whether the color of Green diamonds is natural or treated.
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.

There is some semblance of a proper comparison only in choices 4 and 5. However, 4 is wrong because of using the phrase 'that of other diamonds' implying that all the other diamonds have one color. It should have been 'unlike those of'. This is a grave error.
5 is a lot better. 'The pronoun 'their' logically corresponds only to the green diamonds and not to other diamonds, because, should the pronoun refer to the other diamonds, then the clause should have read--whether their colors are natural are treated ---.
_________________

you can know a lot about something and not really understand it."-- a quote
No one knows this better than a GMAT student does.
Narendran +9198845 44509

Manager
Manager
avatar
B
Joined: 25 Jan 2018
Posts: 103
Location: United States (IL)
Concentration: Strategy, Operations
WE: Business Development (Other)
CAT Tests
Re: Unlike diamonds with other colors, it is very difficult to determine  [#permalink]

Show Tags

New post 03 Jul 2018, 20:54
adkikani wrote:
PrayasT GMAT215

Here are my few cents:
Quote:
Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.

Incorrect comparison - After unlike + noun, immediately what should follow coma is a noun.


Quote:
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.

While using unlike/ like, follow two rules:
1. It can not be used to show examples, it is used to show comparison.
2. It must be followed by noun and not a clause

Here we are comparing X (colors of different diamonds) with Y (colors of green diamonds), which is logical and
grammatically correct.

Quote:
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated

Incorrect usage of unlike in a clause.
Unlike will usually end with a phrase (only noun), and is not usually a part of independent clause.

See this official sentence for details.

Hope this helps.



Could you please explain -
There are two types of diamonds here. Which diamond it is referring to.
Re: Unlike diamonds with other colors, it is very difficult to determine &nbs [#permalink] 03 Jul 2018, 20:54
Display posts from previous: Sort by

Unlike diamonds with other colors, it is very difficult to determine

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  

Events & Promotions

PREV
NEXT


GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.