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Contrary to popular belief, bats are not blind, and in fact

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Contrary to popular belief, bats are not blind, and in fact [#permalink]

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Contrary to popular belief, bats are not blind, and in fact are among the most sensory animals on the planet;
they use sonar to locate prey, and their ability to communicate adially at wide range of frequencies assists them
in mating, helping them to distinguish their own species from that of others.


(A) assists them in mating, helping them to distinguish their own species from that of others.
(B) assist them in mating, helping them to distinguish their own species from that of others.
(C) assists them in mating, helping them to distinguish their own species from those of others.
(D) assists their mating, helping them to distinguish their own species from those of others.
(E) assists them in mating, helping them to distinguish their own species from others.
[Reveal] Spoiler: OA

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Re: Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 07 Apr 2016, 04:35
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Nevernevergiveup wrote:
Contrary to popular belief, bats are not blind, and in fact are among the most sensory animals on the planet;
they use sonar to locate prey, and their ability to communicate adially at wide range of frequencies assists them
in mating, helping them to distinguish their own species from that of others.


(A) assists them in mating, helping them to distinguish their own species from that of others.
(B) assist them in mating, helping them to distinguish their own species from that of others.
(C) assists them in mating, helping them to distinguish their own species from those of others.
(D) assists their mating, helping them to distinguish their own species from those of others.
(E) assists them in mating, helping them to distinguish their own species from others.


Copy of OG Q--
http://gmatclub.com/forum/hydrocarbons-with-which-fruit-flies-perfume-themselves-in-65563.html
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Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 08 Apr 2016, 01:20
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Nevernevergiveup wrote:
Contrary to popular belief, bats are not blind, and in fact are among the most sensory animals on the planet;
they use sonar to locate prey, and their ability to communicate adially at wide range of frequencies assists them
in mating, helping them to distinguish their own species from that of others.


(A) assists them in mating, helping them to distinguish their own species from that of others.
(B) assist them in mating, helping them to distinguish their own species from that of others.
(C) assists them in mating, helping them to distinguish their own species from those of others.
(D) assists their mating, helping them to distinguish their own species from those of others.
(E) assists them in mating, helping them to distinguish their own species from others.


D and E are grammatically correct.
But GMAT has taught us that D is wrong because it says exactly what E says but by using more words.

E is like rearranged D to like... "from others' species". But you know possessive pronouns discard the inverted comma.

so it's now "from others species".

You could discard "species" successfully like would say.... "Mary's bicycle is faster than Stanley's."

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Re: Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 13 Sep 2016, 16:46
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This is from Veritas Prep Advance Verbal Book. Or so I remember. But in my opinion this is not a good copy of OG question. OG question didn't come down to "others" vs "that/those" of others. It had other eliminating factors.

Both C and E look good to me.
C is akin to, "Helping them to distinguish their own shoes from those of others", which is A O K for me.

Not OG level answer choices.

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Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 14 Sep 2016, 07:42
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I take back my criticism of the question. With Ron's help, I think I get it now.

It's about a subtle difference between something you possess and something "you are" (part of).

Here a fly would sense say fly A and fly B and would determine if A is my species(type)/B is my species (type).
I don't possess species (unlike shoes/emotions) . I belong to my species.

distinguishing their own shoes from the shoes of others.
distinguishing their own kind/species from other kinds/species.

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Re: Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 22 Sep 2016, 07:26
I don't see any problem with C as well...

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Re: Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 22 Sep 2016, 07:31
chetan2u wrote:
Nevernevergiveup wrote:
Contrary to popular belief, bats are not blind, and in fact are among the most sensory animals on the planet;
they use sonar to locate prey, and their ability to communicate adially at wide range of frequencies assists them
in mating, helping them to distinguish their own species from that of others.


(A) assists them in mating, helping them to distinguish their own species from that of others.
(B) assist them in mating, helping them to distinguish their own species from that of others.
(C) assists them in mating, helping them to distinguish their own species from those of others.
(D) assists their mating, helping them to distinguish their own species from those of others.
(E) assists them in mating, helping them to distinguish their own species from others.


Copy of OG Q--
http://gmatclub.com/forum/hydrocarbons-with-which-fruit-flies-perfume-themselves-in-65563.html


the original OG Q is providing only ONE correct answer, while this question is quite debatable...

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Contrary to popular belief, bats are not blind, and in fact are among [#permalink]

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New post 02 Aug 2017, 08:41
Contrary to popular belief, bats are not blind, and in fact are among the most
sensory animals on the planet; they use sonar to locate prey, and their ability
to communicate audially at a wide range of frequencies assists them in mating,
helping them to distinguish their own species from that of others.



(A) assists them in mating, helping them to distinguish their own species
from that of others

(B) assist them in mating, helping them to distinguish their own species
from that of others

(C) assists them in mating, helping them to distinguish their own species
from those of others

(D) assists their mating, helping them distinguish their own species from
those of others

(E) assists them in mating, helping them to distinguish their own species
from others
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Re: Contrary to popular belief, bats are not blind, and in fact are among [#permalink]

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New post 02 Aug 2017, 08:50
GTExl wrote:
Contrary to popular belief, bats are not blind, and in fact are among the most
sensory animals on the planet; they use sonar to locate prey, and their ability
to communicate audially at a wide range of frequencies assists them in mating,
helping them to distinguish their own species from that of others.



(A) assists them in mating, helping them to distinguish their own species
from that of others

(B) assist them in mating, helping them to distinguish their own species
from that of others

(C) assists them in mating, helping them to distinguish their own species
from those of others

(D) assists their mating, helping them distinguish their own species from
those of others

(E) assists them in mating, helping them to distinguish their own species
from others


One can easily rule out A, B and C
D is wrong because Distinguish their own species those [species] of others....those represents |species| and this is wrong..species from others what?
E is right----Distinguish their own species from others is right construction.
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Re: Contrary to popular belief, bats are not blind, and in fact are among [#permalink]

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New post 02 Aug 2017, 09:15
Could you please give a detailed explanation of each option? I fail to understand the flaw in the original sentence itself. :(
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Contrary to popular belief, bats are not blind, and in fact are among [#permalink]

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New post 02 Aug 2017, 09:25
rekhabishop wrote:
Could you please give a detailed explanation of each option? I fail to understand the flaw in the original sentence itself. :(


(A) assists them in mating, helping them to distinguish their own species
from that of others

(B) assist them in mating, helping them to distinguish their own species
from that of others

(C) assists them in mating, helping them to distinguish their own species
from those of others

(D) assists their mating, helping them distinguish their own species from
those of others

(E) assists them in mating, helping them to distinguish their own species
from others

The words in red are wrong..the use of that is wrong...that is used as relative pronoun and mostly refer to singular subject. So its wrong
assist someone in doing something...assist their is wrong...the ability to communicate assists them [bats] is right
my, your, her, their most of the time these act as possessive adjectives. one need an objective pronoun [them]...Their mating is wrong..
Their Ability to communicate assists them in mating is right
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Re: Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 02 Aug 2017, 20:25
Nevernevergiveup wrote:
Contrary to popular belief, bats are not blind, and in fact are among the most sensory animals on the planet;
they use sonar to locate prey, and their ability to communicate adially at wide range of frequencies assists them
in mating, helping them to distinguish their own species from that of others.


(A) assists them in mating, helping them to distinguish their own species from that of others.
(B) assist them in mating, helping them to distinguish their own species from that of others.
(C) assists them in mating, helping them to distinguish their own species from those of others.
(D) assists their mating, helping them to distinguish their own species from those of others.
(E) assists them in mating, helping them to distinguish their own species from others.


Imo E

Ability is singular so a singular verb will come
comparison is correct in E
So E is our answer
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Re: Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 03 Aug 2017, 04:30
C and D are actually providing two different meanings.

C : We are comparing two parents here. We are saying how one parent is able to distinguish his species from the species of other parent.

E: We are comparing two species and saying one parent can distinguish his species from the bunch of species present.

As per the meaning of the original sentence, shouldn't it be answer choice C?

I mean I don't find any grammatical issue with C.

Hence, I would always prefer to have that option, which maintains the original meaning.

Please provide your inputs.
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Re: Contrary to popular belief, bats are not blind, and in fact [#permalink]

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New post 03 Aug 2017, 04:55
abhimahna wrote:
C and D are actually providing two different meanings.

C : We are comparing two parents here. We are saying how one parent is able to distinguish his species from the species of other parent.

E: We are comparing two species and saying one parent can distinguish his species from the bunch of species present.

As per the meaning of the original sentence, shouldn't it be answer choice C?

I mean I don't find any grammatical issue with C.

Hence, I would always prefer to have that option, which maintains the original meaning.

Please provide your inputs.


'those of others' is a problem in C.
This question is a copy of an official GMAT Question. Anyway why should I explain when Ron has already done so :) https://www.manhattanprep.com/gmat/foru ... t1903.html

And below is the official question.
https://gmatclub.com/forum/hydrocarbons ... 65563.html

Hope this helps!
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Re: Contrary to popular belief, bats are not blind, and in fact   [#permalink] 03 Aug 2017, 04:55
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