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CR Beetles

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Senior Manager
Senior Manager
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Joined: 20 Feb 2006
Posts: 375
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CR Beetles [#permalink] New post 02 Dec 2006, 19:50
00:00
A
B
C
D
E

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(N/A)

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
A mistake maybe?
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Intern
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Joined: 25 Jul 2006
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 [#permalink] New post 02 Dec 2006, 21:10
Perhaps....

The 1st hypothesis says that to control the pace the beetle has to stop and 2nd one is because they go blind because of running so fast.

statement 3 supports the 1st one because once intervals r fixed the beetle can increase the pace nd then control it at the end of each interval. whereas for the beetle to blind I guess it might be to do more with the direction, which is not mentioned and thus the statement undermines it.

DOnt know if this explanation stands, but ne one can explain it better would be glad to read it.
Senior Manager
Senior Manager
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Joined: 12 Mar 2006
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Schools: Kellogg School of Management
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 [#permalink] New post 02 Dec 2006, 21:52
choosing C after much deliberation...this is what I think although not 100% sure...

The answer should give a reason why one of the two hyphothesis is chosen over the other. In C it is specified that the beetles actually increase their pace when the prey starts moving away. This shows that the first hyphothesis that the beetle cannot maintain the pace is not true. So C allows us to choose the second hyphothesis.

In the case of A it basically tells us that the beetles can run back without stopping but this causes us to doubt both the hyphotheses
Director
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Joined: 01 Oct 2006
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 [#permalink] New post 03 Dec 2006, 01:43
I would pick C
A undermines both
b Is out of scope
C is the answer
D does not support one and undermine the other
E just supports case 2
  [#permalink] 03 Dec 2006, 01:43
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