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cr-aquarium

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cr-aquarium [#permalink]

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New post 04 Sep 2008, 19:17
In the United States, vacationers account for more than half of all visitors to what are technically called “pure aquariums” but for fewer than one quarter of all visitors to zoos, which usually include a “zoo aquarium” of relatively modest scope.
Which of the following, if true, most helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?
(A) In cities that have both a zoo and a pure aquarium, local residents are twice as likely to visit the aquarium as they are to visit the zoo.
(B) Virtually all large metropolitan areas have zoos, whereas only a few large metropolitan areas have pure aquariums.
(C) Over the last ten years, newly constructed pure aquariums have outnumbered newly established zoos by a factor of two to one.
(D) People who visit a zoo in a given year are two times more likely to visit a pure aquarium that year than are people who do not visit a zoo.
(E) The zoo aquariums of zoos that are in the same city as a pure aquarium tend to be smaller than the aquariums of zoos that have no pure aquarium nearby.
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Re: cr-aquarium [#permalink]

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New post 04 Sep 2008, 21:22
I would go for B.

If there's more zoos in large metro areas, then the vacationers of those areas will likely go to an aquarium that they don't have in their city.

I thought A, D and E were easy to eliminate, but I had my doubts with C for a little while. That can't be the right answer, though, because we are not given a ratio. What if the number of zoos and aquariums is 1,000 and 2,000, respectively and only 2 zoos have been built in the past 10 years. That would mean only one aquarium has been built. Therefore, this would hardly explain the number of visitors.

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Re: cr-aquarium [#permalink]

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New post 05 Sep 2008, 08:59
asdert wrote:
I would go for B.

If there's more zoos in large metro areas, then the vacationers of those areas will likely go to an aquarium that they don't have in their city.

I thought A, D and E were easy to eliminate, but I had my doubts with C for a little while. That can't be the right answer, though, because we are not given a ratio. What if the number of zoos and aquariums is 1,000 and 2,000, respectively and only 2 zoos have been built in the past 10 years. That would mean only one aquarium has been built. Therefore, this would hardly explain the number of visitors.


I had the same confusion ,but i didnt consider B i opted C ,the above explanation is very good !!thanks so much !!whats ur CR source of preparation
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Re: cr-aquarium   [#permalink] 05 Sep 2008, 08:59
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