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

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Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 01 Apr 2018, 13:18
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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.
[Reveal] Spoiler: OA
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Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 01 Apr 2018, 20:02
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.
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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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

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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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

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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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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 !!

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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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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.
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 02 Apr 2018, 10:30
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 02 Apr 2018, 21:09
prashants412 wrote:
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.

Your approach is absolutely right.

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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 07 Apr 2018, 04:40
Chose B.. difficult to understand why E is correct over E.
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 07 Apr 2018, 04:54
prashants412 wrote:
ammuseeru wrote:
prashants412 wrote:
Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.


2. Awkward passive voice construction.



Hi! Can you explain how the passive voice construction is Awkward here?

Thanks,
Prayas Tiwari.
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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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.
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 07 Apr 2018, 05:47
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The only red flag with option E is the pronoun "their".Otherwise E could be the winner.
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Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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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

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New post 07 Apr 2018, 11:07
PrayasT wrote:
prashants412 wrote:
Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.


2. Awkward passive voice construction.


Hi! Can you explain how the passive voice construction is Awkward here?

Thanks,
Prayas Tiwari.


I have PMed you the explantion. Hope it helped.
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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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.
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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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?
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New post 09 Apr 2018, 00:57
Could you explain how D is comparing incorrectly?
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Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 09 Apr 2018, 02:12
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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:

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New post 11 Apr 2018, 09:10
what is wrong with option 2 and 4?
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Re: Unlike diamonds with other colors, it is very difficult to determine [#permalink]

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New post 16 Apr 2018, 14:03
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
Re: Unlike diamonds with other colors, it is very difficult to determine   [#permalink] 16 Apr 2018, 14:03
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