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ykaiim
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Pulsars are generally believed to be fast-spinning neutron Updated on: 28 Nov 2017, 01:23
Originally posted by ykaiim on 25 May 2010, 23:01.
Last edited by BillyZ on 28 Nov 2017, 01:23, edited 1 time in total.
Edited the question.
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E
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87% (00:51) correct 13% (01:08) wrong based on 504 sessions

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Pulsars are generally believed to be fast-spinning neutron stars to be located by the pulsating radio waves it emits.

(A) to be located by the pulsating radio waves it emits
(B) to be located by the pulsating radio waves they emit
(C) locatable by the pulsating radio waves which it emits
(D) emitting pulsating radio waves by which it can be located
(E) that can be located by the pulsating radio waves they emit
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E
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dimitri92
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Pulsars are generally believed to be fast-spinning neutron 25 May 2010, 23:09
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IMO E

"believes ......" should be followed by "that"
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ykaiim
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Pulsars are generally believed to be fast-spinning neutron 25 May 2010, 23:19
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Not necessary.

Believe to be is also a correct idiom.
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Pulsars are generally believed to be fast-spinning neutron 25 May 2010, 23:30
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Still E

"believed to be fast-spinning neutron stars" --> needs to be followed by "that" because we are talking about "stars" in the next fragment.
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Pulsars are generally believed to be fast-spinning neutron 02 Jun 2010, 08:48
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Both B and E are contenders

what is the grammatical reason to select (E) over (B)? Can someone please explain this?
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Pulsars are generally believed to be fast-spinning neutron 02 Jun 2010, 19:12
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seekmba
Both B and E are contenders

what is the grammatical reason to select (E) over (B)? Can someone please explain this?
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Pulsars are generally believed to be fast-spinning neutron stars to be located by the pulsating radio waves it emits.

Choice B wrongly implies that neutron stars will be located by pulsating radio waves sometime in the future. The point in the sentence is they can generally be located. That is why, option E is better over B.
Hope it helps,
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Pulsars are generally believed to be fast-spinning neutron 07 Jul 2016, 01:51
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Can someone post OA. I went for E.
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Pulsars are generally believed to be fast-spinning neutron 07 Jul 2016, 06:41
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ykaiim
Pulsars are generally believed to be fast-spinning neutron stars to be located by the pulsating radio waves it emits.

A) to be located by the pulsating radio waves it emits
B) to be located by the pulsating radio waves they emit
C) locatable by the pulsating radio waves which it emits
D) emitting pulsating radio waves by which it can be located
E) that can be located by the pulsating radio waves they emit
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'to be' in option A and B is wrong. Correct idiom ' Believed to be' i already mentioned in non-underlined portion.

'it' in choice C and D is wrong as it wrongly refers to plural noun 'pulsars'

E is the correct choice
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Pulsars are generally believed to be fast-spinning neutron 23 Sep 2019, 09:44
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Pulsars are generally believed to be fast-spinning neutron stars to be located by the pulsating radio waves it emits.

A) to be located by the pulsating radio waves it emits
B) to be located by the pulsating radio waves they emit
C) locatable by the pulsating radio waves which it emits
D) emitting pulsating radio waves by which it can be located
E) that can be located by the pulsating radio waves they emit

An easy entry into the question is the most visible error of the singular 'it' to refer to the plural Pulsars. A, C, and D are gone in a stroke.

Between B and E, we must appreciate the ethos of GMAT that whenever we report scientific matters or study reports, the content of the matter is best presented by a relative clause starting with the relative pronoun 'that'. E is in line with the vibe of GMAT
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Pulsars are generally believed to be fast-spinning neutron 22 Jul 2023, 06:53
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