LSAT 153 – Section 3 – Question 24

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Question
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Type Tags Answer
Choices
Curve Question
Difficulty
Psg/Game/S
Difficulty
Explanation
PT153 S3 Q24
+LR
Must be true +MBT
Conditional Reasoning +CondR
A
1%
157
B
79%
163
C
13%
155
D
4%
154
E
4%
155
140
149
158
+Medium 146.755 +SubsectionMedium

All of the one-way streets in the city have dedicated bike lanes. City buses do not travel on any street with a dedicated bike lane. Parking is allowed only on streets that do not have a dedicated bike lane. City bus number nine travels the full length of Batchelder Avenue.

Summary
All one-way streets have dedicated bike lanes. City buses do not travel on any street with a dedicated bike lane. Parking is not allowed on streets with a dedicated bike lane. City bus number nine travels through Batchelder Avenue.

Notable Valid Inferences
Batchelder Avenue is not a one-way street.

A
Batchelder Avenue is a one-way street.
Must be false. The stimulus tells us that if a street is one-way, then buses do not travel on it. A bus travels on Batchelder Avenue, so it cannot be a one-way street.
B
Batchelder Avenue is not a one-way street.
Must be true. As shown below, if a street is one-way then a bus cannot travel on it. Bus nine travels on Batchelder Avenue, so it must not be a one-way street.
C
Parking is allowed on Batchelder Avenue.
Could be false. As shown on our diagram, no parking is a necessary condition in our logical chain. If there is parking on a street, we cannot determine from there if a city bus can or cannot travel on it.
D
Parking is not allowed on Batchelder Avenue.
Could be false. As shown on our diagram, no parking is a necessary condition in our logical chain. If there is no parking on a street, we cannot determine from there if a city bus can or cannot travel on it.
E
Parking is not allowed on any street on which buses do not travel.
Could be false. As shown on our diagram, there is no logical connection between no parking and no buses. We only know there is no parking and buses do not travel if the street is one-way and has a dedicated bike lane.

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