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avohden
Joined: 09 Jul 2013
Last visit: 14 Mar 2015
Posts: 403
Given Kudos: 630
Status:1,750 Q's attempted and counting
Affiliations: University of Florida
Location: United States (FL)
Schools: Warrington (A)
GMAT 1: 570 Q42 V28
GMAT 2: 610 Q44 V30
GMAT 3: 600 Q45 V29
GMAT 4: 590 Q35 V35
GPA: 3.45
WE:Accounting (Accounting)
15 Oct 2013, 09:48
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
59% (01:28) correct
41%
(01:27)
wrong
based on 390
sessions
History
Date
Time
Result
Not Attempted Yet
NASA's Mars Pathfinder spacecraft was developed for about $150 million, less
than one-twentieth the $3.5 billion real cost of the earlier Viking missions.
(A) the $3.5 billion real cost
(B) that of the $3.5 billion real cost
(C) the real $3.5 billion costs
(D) the real cost than the $3.5 billion amount
(E) that of the real $3.5 billion cost resulting
GH-06.06.13 - OE to follow.
than one-twentieth the $3.5 billion real cost of the earlier Viking missions.
(A) the $3.5 billion real cost
(B) that of the $3.5 billion real cost
(C) the real $3.5 billion costs
(D) the real cost than the $3.5 billion amount
(E) that of the real $3.5 billion cost resulting
GH-06.06.13 - OE to follow.
15 Oct 2013, 10:07
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avohden
I will go with A.
I think 'the $3.5 billion' is just an adjective that modifies 'real cost'. The ideal sentence would be '.....one twentieth the real cost...'. So if we just plug in the adjective 'the $3.5 billion' A will make sense.
B. Incorrect. no referent for 'that of'
C. Incorrect. 'costs' is incorrect.
D. Incorrect. The word "than" can only be used once per comparison.
E. Incorrect. Same as B
Opinions??
avohden
Joined: 09 Jul 2013
Last visit: 14 Mar 2015
Posts: 403
Given Kudos: 630
Status:1,750 Q's attempted and counting
Affiliations: University of Florida
Location: United States (FL)
Schools: Warrington (A)
GMAT 1: 570 Q42 V28
GMAT 2: 610 Q44 V30
GMAT 3: 600 Q45 V29
GMAT 4: 590 Q35 V35
GPA: 3.45
WE:Accounting (Accounting)
23 Oct 2013, 07:58
Kudos
Bookmarks
Official Explanation
Answer: A It may be clearer to recognize that a simpler construction such as "less than one-twentieth the cost" would be correct. Here, the words "$3.5 billion real" are just adjectives; they don't change the correctness of the grammar. We can apply the same simplification to each of the other choices to make it more clear that they are wrong. Choice (B): "less than one-twentieth that of the cost." $150 million (what "less than one-twentieth" is modifying) is less than "the cost" not less than "that of the cost." There's nothing for "that of" to stand in for. Choice (C): "less than one-twentieth the costs." We're talking about one price--one cost. Choice (D): The word "than" can only be used once per comparison. "Less than" is not underlined, so introducing another "than" is incorrect. Choice (E): "less than one-twentieth that of the cost resulting..." As with (B), "that of" doesn't have anything to stand in for. It's wrong.
Hope this helps.
Answer: A It may be clearer to recognize that a simpler construction such as "less than one-twentieth the cost" would be correct. Here, the words "$3.5 billion real" are just adjectives; they don't change the correctness of the grammar. We can apply the same simplification to each of the other choices to make it more clear that they are wrong. Choice (B): "less than one-twentieth that of the cost." $150 million (what "less than one-twentieth" is modifying) is less than "the cost" not less than "that of the cost." There's nothing for "that of" to stand in for. Choice (C): "less than one-twentieth the costs." We're talking about one price--one cost. Choice (D): The word "than" can only be used once per comparison. "Less than" is not underlined, so introducing another "than" is incorrect. Choice (E): "less than one-twentieth that of the cost resulting..." As with (B), "that of" doesn't have anything to stand in for. It's wrong.
Hope this helps.
