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Conveyor Belt

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komal Legendary Member
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Conveyor Belt

Post Thu Feb 11, 2010 12:22 am
The automotive conveyor-belt system, which Henry Ford modeled after an assembly-line technique introduced by Ransom Olds, reduced from a day and a half to 93 minutes the required time of assembling a Model T.

(A) from a day and a half to 93 minutes the required time of assembling a Model T

(8) the time being required to assemble a Model T, from a day and a half down to 93 minutes

(C) the time being required to assemble a Model T, a day and a half to 93 minutes

(D) the time required to assemble a Model T from a day and a half to 93 minutes

(E) from a day and a half to 93 minutes, the time required for the assembling of a Model T

OA D

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Post Tue Apr 26, 2011 1:48 pm
Choice D:
The automotive conveyor-belt system, which Henry Ford modeled after an assembly-line technique introduced by Ransom Olds, reduced the time required to assemble a Model T from a day and a half to 93 minutes

Hi Gaurav19,
The simplified version of this sentence is as follows:

'abc' system reduced the time required for 'def' from yy to zz.
or in more simplified terms:
'abc' system reduced the time from yy to zz.

Notice how "required for 'def'" is simply a verb-ed modifier that adds more information about the preceding noun - time. We need this information to understand time for "what" has been reduced.

The modifier "from yy to zz" actually modifies the verb - reduced. It describes the action - reduce. Verb modifiers are more flexible than noun modifiers. They need not be placed right next to the verb that they modify.

I hope this answers your doubt Smile Let me know if you have any other concerns about this question.

PS: This concept is covered in detail in the following concepts in e-GMATSC course:
Modifiers - Types of Modifiers
Modifiers - Correcting Modifier Errors

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havok Senior | Next Rank: 100 Posts
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Top Reply
Post Tue Apr 26, 2011 4:30 pm
(A) from a day and a half to 93 minutes the required time of assembling a Model T

(B) the time being required to assemble a Model T, from a day and a half down to 93 minutes

(C) the time being required to assemble a Model T, a day and a half to 93 minutes

(D) the time required to assemble a Model T from a day and a half to 93 minutes

(E) from a day and a half to 93 minutes, the time required for the assembling of a Model T

D.

Basically, the middle portion of the sentence is non-essential. You can read the beginning as:
"The automotive conveyor-belt system... reduced".

Going along with that, D becomes the clear answer, the system reduced "the time required".

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Post Tue Apr 26, 2011 1:48 pm
Choice D:
The automotive conveyor-belt system, which Henry Ford modeled after an assembly-line technique introduced by Ransom Olds, reduced the time required to assemble a Model T from a day and a half to 93 minutes

Hi Gaurav19,
The simplified version of this sentence is as follows:

'abc' system reduced the time required for 'def' from yy to zz.
or in more simplified terms:
'abc' system reduced the time from yy to zz.

Notice how "required for 'def'" is simply a verb-ed modifier that adds more information about the preceding noun - time. We need this information to understand time for "what" has been reduced.

The modifier "from yy to zz" actually modifies the verb - reduced. It describes the action - reduce. Verb modifiers are more flexible than noun modifiers. They need not be placed right next to the verb that they modify.

I hope this answers your doubt Smile Let me know if you have any other concerns about this question.

PS: This concept is covered in detail in the following concepts in e-GMATSC course:
Modifiers - Types of Modifiers
Modifiers - Correcting Modifier Errors

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havok Senior | Next Rank: 100 Posts
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Post Tue Apr 26, 2011 4:30 pm
(A) from a day and a half to 93 minutes the required time of assembling a Model T

(B) the time being required to assemble a Model T, from a day and a half down to 93 minutes

(C) the time being required to assemble a Model T, a day and a half to 93 minutes

(D) the time required to assemble a Model T from a day and a half to 93 minutes

(E) from a day and a half to 93 minutes, the time required for the assembling of a Model T

D.

Basically, the middle portion of the sentence is non-essential. You can read the beginning as:
"The automotive conveyor-belt system... reduced".

Going along with that, D becomes the clear answer, the system reduced "the time required".

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abhicoolmax Junior | Next Rank: 30 Posts Default Avatar
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Post Sun Aug 14, 2011 6:41 pm
e-GMAT wrote:
Choice D:
The automotive conveyor-belt system, which Henry Ford modeled after an assembly-line technique introduced by Ransom Olds, reduced the time required to assemble a Model T from a day and a half to 93 minutes

Hi Gaurav19,
The simplified version of this sentence is as follows:

'abc' system reduced the time required for 'def' from yy to zz.
or in more simplified terms:
'abc' system reduced the time from yy to zz.

Notice how "required for 'def'" is simply a verb-ed modifier that adds more information about the preceding noun - time. We need this information to understand time for "what" has been reduced.

The modifier "from yy to zz" actually modifies the verb - reduced. It describes the action - reduce. Verb modifiers are more flexible than noun modifiers. They need not be placed right next to the verb that they modify.

I hope this answers your doubt Smile Let me know if you have any other concerns about this question.

PS: This concept is covered in detail in the following concepts in e-GMATSC course:
Modifiers - Types of Modifiers
Modifiers - Correcting Modifier Errors
What is wrong with saying (these are NOT the options, yet curious):
- The automotive conveyor-belt system, which Henry Ford modeled after an assembly-line technique introduced by Ransom Olds, reduced the required time to assemble a Model T from a day and a half to 93 minutes

I don't see any difference in meaning in these 2. In 1st case, "required to assemble" modifies "time", and, in 2nd case, "required" acts as an adjective modifier of "time" and "to assemble" acts as a propositional phrase modifier of "time".

Now in 1st case, are "required" and "to assemble" 2 different modifiers modifying "time" separately? OR is "required" a modifier of the propositional phrase "to assemble" - does that mean "to assemble" is a noun phrase? I think totally confused as to what is modifying what :p

Moreover, according to the OG explanation, the verb must be immediately followed by the direct object. Is there ANY instance when this might not be case? Can a prepositional phrase ever sit between the verb it modifies and the direct object?

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gaurav19 Newbie | Next Rank: 10 Posts
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Post Tue Apr 26, 2011 9:26 am
Just clear my doubt about option D...It states that the system reduced the time required to assemble a Model T from a day and a half to 93 min...My mind is confused about that model T is assembled from a day and a half to 93 min ...dangling modifier error ...

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mgmt_gmat Master | Next Rank: 500 Posts Default Avatar
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Post Thu Feb 11, 2010 5:09 am
D is here.

We need to mention " the time' which is reduced from one day ... to .....

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