LSAT 145 – Section 2 – Question 25

LSAT 145 - Section 2 - Question 25

December 2015

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Target time: 2:11

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT145 S2 Q25
+LR
Must be false +MBF
A
7%
157
B
7%
159
C
10%
158
D
67%
166
E
9%
159
149
158
166
 +Harder 145.859 +SubsectionMedium

Live Commentary

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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.

Summary
Among small-to-medium-sized marine mammals, 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. Elephant seals can stay submerged longer than Weddell seals can.

Notable Valid Inferences
For MBT-Except questions, the wrong answers are all Could Be True. The one right answer Must Be False.
Dolphins can dive to greater depths than Weddell seals, but not as deep as Elephant seals can.
Northern fur seals can dive to greater depths than Weddell seals, but not as deep as Elephant seals can.

A
Dolphins can dive to greater depths than Weddell seals can, but not to depths as great as elephant seals can.
Could be true. It is possible for dolphins to dive to a depth greater than Weddell seals but not as deep as elephant seals.
B
Weddell seals can stay submerged longer than northern fur seals can, but dolphins can dive to greater depths than Weddell seals can.
Could be true. It is possible for Weddell seals to dive to a depth greater than northern fur seals but not as deep as dolphins.
C
Weddell seals can dive to greater depths than dolphins can and can stay submerged longer than northern fur seals can.
Must be true. The stimulus tells us that dolphins can dive to greater depths than northern fur seals. If Weddell seals dive deeper than dolphins, then they must also dive deeper than northern fur seals.
D
Northern fur seals can stay submerged longer than elephant seals can, but Weddell seals can dive to greater depths than dolphins can.
Must be false. It is impossible for Weddell seals to dive deeper than dolphins if northern fur seals dive deeper than elephant seals.
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.
Could be true. It is possible for northern fur seals to dive to a depth greater than Weddell seals but not as deep as elephant seals.

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LSAT PrepTest 145 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Reading Comprehension

Section 4 - Logical Reasoning

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