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# Advances in materials engineering enabled the bicycle industry to crea

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18 Aug 2015, 12:28
2
15
00:00

Difficulty:

35% (medium)

Question Stats:

73% (00:56) correct 27% (00:59) wrong based on 424 sessions

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Advances in materials engineering enabled the bicycle industry to create aluminum alloy frames that are far more lightweight than iron.

A. far more lightweight than iron
B. far more lightweight as are iron frames
C. far more lightweight than are iron frames
D. far more lightweight than iron frames
E. exceedingly more lightweight when compared to iron frames

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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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18 Aug 2015, 20:08
10
5
It is a custom that whenever the auxiliary verb ‘to be’ or its derivatives are involved, it is not mandatory to extend the verb action to the second arm in order to complete it parallelly.

To illustrate

1. Blood is thicker than water – no need to say thicker than water is – the ‘is’ elliptical
2. As far as sprint is concerned, Tom is better than Jerry – No need for Jerry is
3. India is larger than Singapore in size – No need to say than Singapore is.

But when it comes to working verbs, this rule does not hold. For e.g

The mother knows the child better than others – This effectively means that the mother knows the child better than she knows other, which is not the ideal meaning intended by the saying; the meaning is to say that the mother knows the child better than anybody else knows. In order to bring the meaning without any ambiguity, we have to specifically add the working verb again to the second arm; the clear sentence will be: The mother knows the child much better than (others know or others do or do others)

By this reckoning, I feel D is a good choice
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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18 Aug 2015, 13:02
C. far more lightweight than are iron frames is the right answer.
As cannot be used as we are not trying to show the the similarity . without the verb, it is an ellipsis error so C looks to be the best answer.
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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18 Aug 2015, 15:02
reto wrote:
Advances in materials engineering enabled the bicycle industry to create aluminum alloy frames that are far more lightweight than iron.

A. far more lightweight than iron
B. far more lightweight as are iron frames
C. far more lightweight than are iron frames
D. far more lightweight than iron frames
E. exceedingly more lightweight when compared to iron frames

I think that D is preferable to C because there is no ambiguity in the sentence, and both C and D essentially mean the same BUT D is succinctly written.
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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18 Aug 2015, 21:22
reto wrote:
Advances in materials engineering enabled the bicycle industry to create aluminum alloy frames that are far more lightweight than iron.

A. far more lightweight than iron
B. far more lightweight as are iron frames
C. far more lightweight than are iron frames
D. far more lightweight than iron frames
E. exceedingly more lightweight when compared to iron frames

IMO D, as 'are' in C looks redundant
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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19 Aug 2015, 05:07
As per the posts above the OA is not right.

Can you plase post the official answer?
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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19 Aug 2015, 23:15
reto Any view on this. Is it C or D?
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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15 Oct 2017, 12:06

I dont see difference between C and D.

C. far more lightweight than are iron frames
D. far more lightweight than iron frames [are]. - omitted for redundancy?
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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18 Oct 2017, 00:43
Hey, don't you think option D is a better choice than C?.....
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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18 Oct 2017, 02:29
daagh wrote:
It is a custom that whenever the auxiliary verb ‘to be’ or its derivatives are involved, it is not mandatory to extend the verb action to the second arm in order to complete it parallelly.

To illustrate

1. Blood is thicker than water – no need to say thicker than water is – the ‘is’ elliptical
2. As far as sprint is concerned, Tom is better than Jerry – No need for Jerry is
3. India is larger than Singapore in size – No need to say than Singapore is.

But when it comes to working verbs, this rule does not hold. For e.g

The mother knows the child better than others – This effectively means that the mother knows the child better than she knows other, which is not the ideal meaning intended by the saying; the meaning is to say that the mother knows the child better than anybody else knows. In order to bring the meaning without any ambiguity, we have to specifically add the working verb again to the second arm; the clear sentence will be: The mother knows the child much better than (others know or others do or do others)

By this reckoning, I feel D is a good choice

Sure, that is why I've selected D
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18 Oct 2017, 05:31
MvArrow wrote:
Why OA is C? It should be D!

Yes, D is better than C.

The following example clarifies when omission is alright (and preferred) and when omission is not allowed:

I like chocolates more than Jane.
meaning 1: I love chocolates more than (I love) Jane
meaning 2: I love chocolates more than Jane (loves chocolates).

In such ambiguous cases, omission is not allowed. One must clarify which of the above two meanings is intended.

However in the case of the subject question, the two possible constructions are (similar to the above example):
meaning 1: Alloy frames are more lightweight than iron (frames are lightweight).
meaning 2: Alloy frames are more lightweight than alloy frames (are iron frames).

Obviously the second construction does not make any sense, hence omission does not make the sentence ambiguous. In such case, it is allowed (and preferred) to omit.

Hence option D is better than option C - OA has been changed.
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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18 Oct 2017, 09:46
reto wrote:
Advances in materials engineering enabled the bicycle industry to create aluminum alloy frames that are far more lightweight than iron.

A. far more lightweight than iron
B. far more lightweight as are iron frames
C. far more lightweight than are iron frames
D. far more lightweight than iron frames
E. exceedingly more lightweight when compared to iron frames

Dear soodia,

How are you, my friend? I'm happy to respond.

This is a low quality SC question. Both (C) and (D) are correct: the minor difference between then is not enough to justify calling (C) wrong. While (D) is slightly shorter, (C) is slightly more formal sounding, so it's a complete trade-off which of them to choose. Choices (B) & (E) are horribly wrong distractors, not tempting at all, and (C) & (D) differ by only nuance. This is not a question that follows the high standards of the GMAT.

Here's a much better SC practice question.
Comparing tensile strength

Does all this make sense?
Mike
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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04 Jan 2018, 21:13
I need help, thanks.

In this question,There is a widespread belief in the United States and Western Europe that young people have a smaller commitment to work and a career than their parents and grandparents and that the source of the change lies in the collapse of the "work ethic."

(A) a smaller commitment to work and a career than their parents and grandparents
(B) less of a commitment to work and a career than their parents and grandparents
(C) a smaller commitment to work and a career than that of their parents and grandparents
(D) less of a commitment to work and a career than their parents and grandparents had
(E) a lessening of the commitment to work and a career that their parent and grandparents had

However, why the verb is not required in the above topic?
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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05 Jan 2018, 15:45
chesstitans wrote:
I need help, thanks.

In this question,There is a widespread belief in the United States and Western Europe that young people have a smaller commitment to work and a career than their parents and grandparents and that the source of the change lies in the collapse of the "work ethic."

(A) a smaller commitment to work and a career than their parents and grandparents
(B) less of a commitment to work and a career than their parents and grandparents
(C) a smaller commitment to work and a career than that of their parents and grandparents
(D) less of a commitment to work and a career than their parents and grandparents had
(E) a lessening of the commitment to work and a career that their parent and grandparents had

However, why the verb is not required in the above topic?

Dear chesstitans,

https://gmatclub.com/forum/there-is-a-w ... 71307.html

Does this make sense?
Mike
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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05 Jan 2018, 19:06
mikemcgarry wrote:
chesstitans wrote:
I need help, thanks.

In this question,There is a widespread belief in the United States and Western Europe that young people have a smaller commitment to work and a career than their parents and grandparents and that the source of the change lies in the collapse of the "work ethic."

(A) a smaller commitment to work and a career than their parents and grandparents
(B) less of a commitment to work and a career than their parents and grandparents
(C) a smaller commitment to work and a career than that of their parents and grandparents
(D) less of a commitment to work and a career than their parents and grandparents had
(E) a lessening of the commitment to work and a career that their parent and grandparents had

However, why the verb is not required in the above topic?

Dear chesstitans,

https://gmatclub.com/forum/there-is-a-w ... 71307.html

Does this make sense?
Mike

oh, I am sorry, I did not know about that. My question is why some questions of comparison require a verb while other questions of comparison don't?
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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08 Jan 2018, 11:11
chesstitans wrote:
oh, I am sorry, I did not know about that. My question is why some questions of comparison require a verb while other questions of comparison don't?

Dear chesstitans,

I'm happy to respond.

See this blog article:
Dropping Common Words in Parallel on the GMAT

Does this make sense?
Mike
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Re: Advances in materials engineering enabled the bicycle industry to crea  [#permalink]

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13 Apr 2019, 09:02
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Re: Advances in materials engineering enabled the bicycle industry to crea   [#permalink] 13 Apr 2019, 09:02
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