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04 Sep 2011, 11:36
Kudos
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
84% (01:23) correct
17%
(01:40)
wrong
based on 194
sessions
History
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Not Attempted Yet
Interstate highways are the main travel routes for many commercial and private travelers. These highways include many signs that must be repaired by dedicated repair crews. Without this maintenance, the highway signs would soon become dangerous and eventually become unusable. Therefore, the government must continue to employ these dedicated repair crews.
Which of the following, if true, would most seriously weaken the conclusion above?
A. These sign-repair crews are more expensive than the repair crews that maintain the roads.
B. The sign-repair crews occasionally block traffic during the course of their work.
C. Due to developments in technology, new signs can now be made and installed for less than the cost of repairing the old signs.
D. When maintenance by these repair crews is performed regularly, signs last much longer.
E. When highway signs deteriorate, the accident rate increases.
Which of the following, if true, would most seriously weaken the conclusion above?
A. These sign-repair crews are more expensive than the repair crews that maintain the roads.
B. The sign-repair crews occasionally block traffic during the course of their work.
C. Due to developments in technology, new signs can now be made and installed for less than the cost of repairing the old signs.
D. When maintenance by these repair crews is performed regularly, signs last much longer.
E. When highway signs deteriorate, the accident rate increases.
04 Sep 2011, 12:33
Kudos
Bookmarks
Clearly (C)
If new signs can be made and installed for less than the cost of repairing the old signs, the people who maintain the old signs are redundant, and should not be employed.
If new signs can be made and installed for less than the cost of repairing the old signs, the people who maintain the old signs are redundant, and should not be employed.
08 Sep 2011, 09:14
Kudos
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GyanOne
Would you have put B as a contender. B statement would somehow weaken the argument by claiming that its a bad idea to put repair crews on work because it causes traffic jams and hence may be(i repeat may be) dangerous.
