LSAT 116 – Section 3 – Question 21

LSAT 116 - Section 3 - Question 21

June 2004

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT116 S3 Q21
+LR
Must be true +MBT
Conditional Reasoning +CondR
Quantifier +Quant
A
4%
156
B
71%
165
C
15%
159
D
9%
158
E
1%
157
145
155
164
 +Harder 146.244 +SubsectionMedium

Each of the many people who participated in the town’s annual spring cleanup received a community recognition certificate. Because the spring cleanup took place at the same time as the downtown arts fair, we know that there are at least some spring cleanup participants who are not active in the town’s artistic circles.

Summary
Every person who participated in the town’s annual spring cleanup received a community recognition certificate. However, there are some spring cleanup participants who are not active in the town’s artistic circles because the spring cleanup took place at the same time as the downtown arts fair.

Notable Valid Inferences
Some people who received community recognition certificates are not active in the town’s artistic circles.

A
Some of the persons who are active in the town’s artistic circles received community recognition certificates.
Could be false. As shown in our diagram, our conditions are limited to persons who are not active in the town’s artistic circles. We cannot infer anything about people who are active in the town’s artistic circles.
B
Not all of those who received community recognition certificates are active in the town’s artistic circles.
Must be true. As shown below, we can always infer a “some” statement between conditions that branch off from a sufficient condition in common.
C
No participants in the downtown arts fair received community recognition certificates.
Could be false. We know that the arts fair and the spring cleanup took place at the same time, but we cannot assume that it is impossible for a person to participate in both events.
D
No person who received a community recognition certificate has not participated in the spring cleanup.
Could be false. This answer choice confuses sufficiency for necessity. It is possible that a person received a recognition certificate without participating in the cleanup. A necessary condition can always occur without the sufficient condition.
E
Persons who are active in the town’s artistic circles are not concerned with the town’s environment.
Could be false. As shown on our diagram, we have no conditions relevant to a person’s concern with the environment. Moreover, we cannot assume that people who didn’t participate in the cleanup are not concerned with the environment.

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LSAT PrepTest 116 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Reading Comprehension

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