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Economist Tutor CAT IR Two-part Question

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Manager
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Joined: 03 Jan 2016
Posts: 73

Kudos [?]: 8 [0], given: 53

Location: India
GMAT 1: 640 Q49 V29
GMAT 2: 760 Q51 V41
GPA: 3.2
Economist Tutor CAT IR Two-part Question [#permalink]

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New post 29 Jan 2017, 01:59
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Marine biologist: While we have known that larger marine animals such as whales and dolphins communicate using sound, the fact that smaller marine animals also use sound is a relatively new discovery. These low-frequency sounds produced by animals in the mesopelagic zone--that area between 200 and 1,000 meters below the ocean surface--may be evidence that these smaller animals can communicate when it is time to feed. Understanding more about which marine populations use sound would lead to a better understanding of the ocean's ecosystem, including which animals feed on animals from the mesopelagic zone.

Indicate two different statements as follows: one statement identifies an assumption required by the marine biologist's argument and the other identifies a possible fact that, if true, would provide significant logical support for the required assumption. Make only two selections, one in each column.

Assumption Required / Possible Fact


1. The sound is about five decibels louder than the ocean's background noise.


2. Sound travels farther underwater than was first suspected.


3. The sound made by the smaller animals is a buzzing or humming that goes on for up to two hours.


4. Marine animals found in the mesopelagic zone must feed outside the zone.


5. Marine animals that once used chemical cues to indicate feeding times have been found to also use sound.


6. Marine animals producing sounds in the mesopelagic zone are only eaten by animals living outside of the zone.

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Re: Economist Tutor CAT IR Two-part Question [#permalink]

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New post 07 Feb 2017, 07:06
ZenYogi, Quite a tricky question. Can you please post the official answer ?

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Joined: 03 Jan 2016
Posts: 73

Kudos [?]: 8 [0], given: 53

Location: India
GMAT 1: 640 Q49 V29
GMAT 2: 760 Q51 V41
GPA: 3.2
Re: Economist Tutor CAT IR Two-part Question [#permalink]

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New post 10 Apr 2017, 13:11
OA- 6/4

Kudos [?]: 8 [0], given: 53

Re: Economist Tutor CAT IR Two-part Question   [#permalink] 10 Apr 2017, 13:11
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Economist Tutor CAT IR Two-part Question

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