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21 Jun 2011, 08:40
1
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Advertisement: Avian Oculars are the newest in binocular technology for the professional bird watcher. For a price
comparable to that of traditional binoculars, Avian Oculars are specially designed with the features demanded by
birding enthusiasts: they are lightweight, compact and extremely durable. So, use Avian Oculars on your next bird
watching excursion, and see some of the world’s rarest species in all of their beautiful plumage. Which of the
following is an assumption on which the author of the advertisement relies?
• Avian Oculars weigh less than traditional binoculars.
• Avian Oculars should be used only by bird watchers.
• The reader will travel through the habitats of rare species during his or her next bird watching trip.
• Avian Oculars are similar in cost to traditional binoculars.
• Birding enthusiasts often determine the specifications of new products.

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Re: CR Assumption - Avian Oculars [#permalink]

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21 Jun 2011, 08:55
yash124 wrote:
Advertisement: Avian Oculars are the newest in binocular technology for the professional bird watcher. For a price
comparable to that of traditional binoculars, Avian Oculars are specially designed with the features demanded by
birding enthusiasts: they are lightweight, compact and extremely durable. So, use Avian Oculars on your next bird
watching excursion, and see some of the world’s rarest species in all of their beautiful plumage. Which of the
following is an assumption on which the author of the advertisement relies?
• Avian Oculars weigh less than traditional binoculars.
• Avian Oculars should be used only by bird watchers.
• The reader will travel through the habitats of rare species during his or her next bird watching trip.
• Avian Oculars are similar in cost to traditional binoculars.
• Birding enthusiasts often determine the specifications of new products.

I think its C.
The conclusion says "take Avian oculars on your next trip" directed towards the readers
Negate option C and your conclusion falls apart.
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Re: CR Assumption - Avian Oculars [#permalink]

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21 Jun 2011, 17:27
yash124 wrote:
Advertisement: Avian Oculars are the newest in binocular technology for the professional bird watcher. For a price
comparable to that of traditional binoculars, Avian Oculars are specially designed with the features demanded by
birding enthusiasts: they are lightweight, compact and extremely durable. So, use Avian Oculars on your next bird
watching excursion, and see some of the world’s rarest species in all of their beautiful plumage. Which of the
following is an assumption on which the author of the advertisement relies?
• Avian Oculars weigh less than traditional binoculars.
• Avian Oculars should be used only by bird watchers.
• The reader will travel through the habitats of rare species during his or her next bird watching trip.
• Avian Oculars are similar in cost to traditional binoculars.
• Birding enthusiasts often determine the specifications of new products.

A - We can't deduce the comparison based on 'light weight'.
B - Too extreme. 'Only' bothers me.
C - Very close answer. However, I am not convinced there is a reason to believe the next trip would be through habitats of rare species.
D - CORRECT. Substitute similar with comparable, and the statement is given in premise.
E - Out of scope.

What is the OA?
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Re: CR Assumption - Avian Oculars [#permalink]

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21 Jun 2011, 17:34
I will also go with C.

D is incorrect because it is stated in the argument: Assumptions are unstated premises.

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Re: CR Assumption - Avian Oculars [#permalink]

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21 Jun 2011, 17:41
It might be more difficult, in this question, to identify the 'conclusion' since the text is that of an advertisement, and not of an argument. But we do have a sentence beginning with the word 'So...', and what follows is the conclusion: if you take the binoculars "on your next bird watching excursion", you will "see some of the world’s rarest species". Well clearly that's not necessarily going to be true: it's only true if the birdwatcher goes to a location containing rare species, so C is a necessary assumption.
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Re: CR Assumption - Avian Oculars [#permalink]

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21 Jun 2011, 18:55
C is the assumption. The argument fails if you negate this!
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Re: CR Assumption - Avian Oculars [#permalink]

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22 Jun 2011, 05:56
C
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18 Apr 2012, 13:02
+1 C

The author is assuming that the reader wil find rare bird species in his next trip:

"...and see some of the world’s rarest species in all of their beautiful plumage".
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31 Aug 2014, 11:35
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