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A city s public transportation board has decided to cut

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A city s public transportation board has decided to cut [#permalink] New post 27 May 2011, 20:09
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A city’s public transportation board has decided to cut costs by reducing the frequency of its bus service from an average of eight minutes to an average of ten minutes between buses. The board announced that it can do so without seriously reducing the quality of service.

Which of the following statements, if true, would most strengthen the validity of the board’s announcement?

(A) The less frequent use of the buses will lower maintenance
costs, resulting in savings that can be used for much-needed
repairs of the city’s pedestrian bridges.
(B) At rush hour, congestion in the city slows bus service by thirty
percent.
(C) Because of a robust economy in the city, passenger patronage
has increased substantially in recent years.
(D) The public transportation board has recently gathered data on
the levels of ridership on all bus lines, showing that some lines
are used by many more riders than others.
(E) The contract with the bus drivers union stipulates that the city
not lay off any drivers because of reduced bus service.
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Re: critical reasoning [#permalink] New post 27 May 2011, 22:48
bonzai wrote:
A city’s public transportation board has decided to cut costs by reducing the frequency of its bus service from an average of eight minutes to an average of ten minutes between buses. The board announced that it can do so without seriously reducing the quality of service.

Which of the following statements, if true, would most strengthen the validity of the board’s announcement?

(A) The less frequent use of the buses will lower maintenance
costs, resulting in savings that can be used for much-needed
repairs of the city’s pedestrian bridges.
(B) At rush hour, congestion in the city slows bus service by thirty
percent.
(C) Because of a robust economy in the city, passenger patronage
has increased substantially in recent years.
(D) The public transportation board has recently gathered data on
the levels of ridership on all bus lines, showing that some lines
are used by many more riders than others.
(E) The contract with the bus drivers union stipulates that the city
not lay off any drivers because of reduced bus service.


Choosing between (A) and (B), i prefer (B).
We are talking about quality of service. If buses lose for 30 min in traffic jams, the increased interval won't harm riders.
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Re: critical reasoning [#permalink] New post 28 May 2011, 01:42
i think A deals straight with the issue. the stimulus is about cost cutting and A states just that.B i think weakens the argument.
i have confirmed from other sources . The OA is A
thank you.
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Re: critical reasoning [#permalink] New post 29 May 2011, 07:27
I dont like this question at all. The statement clearly refers to the announcement which concerns the quality. A does not deal at all with the quality. What is the source?
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Re: critical reasoning [#permalink] New post 29 May 2011, 08:30
e1s wrote:
I dont like this question at all. The statement clearly refers to the announcement which concerns the quality. A does not deal at all with the quality. What is the source?


I agree with you. None of the options shows how reduction in frequency can prevent diminished QOS.

A - is suggesting that the pedestrian, who may have been causing the traffic congestion because of bad walkway bridges, would use the bridges, reducing the congestion.
Way too many assumptions.
1. Whether the pedestrian use the bridges after maintenance.
2. How long will it take for bridges to be built.
3. Definition of QOS: Is congestion one of the factors to determine QOS?
What if QOS means more frequent bus services.
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Re: critical reasoning [#permalink] New post 29 May 2011, 22:46
There is a reasoning gap in the argument,as how reduction in frequency will not effect the services has to be linked.

A does bring out the factor that maintenance cost will be reduced,which is possible only if the services is not effected too. Also the bridge repairmen-t is a good news too.

B is a neutral answer here.
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Re: critical reasoning [#permalink] New post 31 May 2011, 09:51
+1 A

The rush hour will affect more the service if the frequency is reduced.
For example: If the rush hour adds 5 minutes to the regular frequency (8 minutes), a passenger would have to wait 13 minutes (8 + 5).
With the new frequency, the passsenger would have to wait 15 minutes (10 + 5).
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Re: critical reasoning [#permalink] New post 31 May 2011, 13:13
Only option A Reducing the cost.
Ans. A
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Re: critical reasoning   [#permalink] 31 May 2011, 13:13
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