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Among small- to medium-sized marine mammals such as seals and

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Among small- to medium-sized marine mammals such as seals and  [#permalink]

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New post 16 Aug 2018, 04:03
2
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B
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D
E

Difficulty:

  45% (medium)

Question Stats:

68% (02:26) correct 32% (02:08) wrong based on 98 sessions

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Among small- to medium-sized marine mammals such as seals and dolphins, the longer an animal can stay submerged during a dive, the greater the depth the animal can reach. Dolphins can dive to greater depths than northern fur seals can, and elephant seals can stay submerged longer than Weddell seals can.

If the information above is accurate, then each of the following statements could be true EXCEPT:


A. Dolphins can dive to greater depths than Weddell seals can, but not to depths as great as elephant seals can.

B. Weddell seals can stay submerged longer than northern fur seals can, but dolphins can dive to greater depths than Weddell seals can.

C. Weddell seals can dive to greater depths than dolphins can and can stay submerged longer than northern fur seals can.

D. Northern fur seals can stay submerged longer than elephant seals can, but Weddell seals can dive to greater depths than dolphins can.

E. Northern fur seals can stay submerged longer than Weddell seals can, but elephant seals can dive to greater depths than northern fur seals can.


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Re: Among small- to medium-sized marine mammals such as seals and  [#permalink]

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New post 17 Aug 2018, 21:15
1
Among small- to medium-sized marine mammals such as seals and dolphins, the longer an animal can stay submerged during a dive, the greater the depth the animal can reach. Dolphins can dive to greater depths than northern fur seals can, and elephant seals can stay submerged longer than Weddell seals can.

If the information above is accurate, then each of the following statements could be true EXCEPT:

Given D>N and E>W. But no relationship between two cases.

A. Dolphins can dive to greater depths than Weddell seals can, but not to depths as great as elephant seals can.
D>W and E>D as per the choice..
Given is D>N and E>W. Possible E>D>N>W... could be true


B. Weddell seals can stay submerged longer than northern fur seals can, but dolphins can dive to greater depths than Weddell seals can.
W>N and D>W...
Possible that E>D>W>N...again could be true


C. Weddell seals can dive to greater depths than dolphins can and can stay submerged longer than northern fur seals can.
W>D and W>N
Possible that E>W>D>N... Could be true


D. Northern fur seals can stay submerged longer than elephant seals can, but Weddell seals can dive to greater depths than dolphins can.
N>E and W>D
Here N>E but D>N and E>W, so only possibility is D>N>E>W. But W can never be >D
Cannot be true


E. Northern fur seals can stay submerged longer than Weddell seals can, but elephant seals can dive to greater depths than northern fur seals.
N>W and E>N
E>D>N>W.. Could be true


D
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Re: Among small- to medium-sized marine mammals such as seals and  [#permalink]

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New post 18 Aug 2018, 23:37
AshutoshB wrote:
Among small- to medium-sized marine mammals such as seals and dolphins, the longer an animal can stay submerged during a dive, the greater the depth the animal can reach. Dolphins can dive to greater depths than northern fur seals can, and elephant seals can stay submerged longer than Weddell seals can.

If the information above is accurate, then each of the following statements could be true EXCEPT:


A. Dolphins can dive to greater depths than Weddell seals can, but not to depths as great as elephant seals can.

B. Weddell seals can stay submerged longer than northern fur seals can, but dolphins can dive to greater depths than Weddell seals can.

C. Weddell seals can dive to greater depths than dolphins can and can stay submerged longer than northern fur seals can.

D. Northern fur seals can stay submerged longer than elephant seals can, but Weddell seals can dive to greater depths than dolphins can.

E. Northern fur seals can stay submerged longer than Weddell seals can, but elephant seals can dive to greater depths than northern fur seals can.


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Ans: D, What is the level of this question? I took 3 minutes to do the analysis
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Re: Among small- to medium-sized marine mammals such as seals and &nbs [#permalink] 18 Aug 2018, 23:37
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