LSAT 16 – Section 1 – Game 1
J.Y.'s explanation:
Target time: 7 minutes
First sentence of question: Eight new studentsR, S, T, V, W, X, Y, Zare being divided among exactly three classesclass 1, class 2, and class 3.
Question keywords: eight, new, students, R, S, T, V, W, X, Y, Z, divided, three, classes, class 1, class 2, class 3
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Question  Type  Tags  Answer Choices 
Model  Question Difficulty 
Psg/Game/S Difficulty 
Explanation  Quick View 

PT16 S1 Q01 
+LG
 Grouping  Pure +GrpPure  A
1%
150
B
1%
158
C
1%
165
D
97%
167
E
1%
160

120 125 139 
+Easiest  0 +SubsectionEasier  Explanation  
PT16 S1 Q02 
+LG
 Grouping  Pure +GrpPure  A
0%
154
B
0%
158
C
1%
154
D
1%
154
E
97%
167

127 136 145 
+Easier  0 +SubsectionEasier  Explanation  
PT16 S1 Q03 
+LG
 Grouping  Pure +GrpPure  A
83%
169
B
4%
155
C
3%
162
D
9%
159
E
1%
161

138 149 160 
+Medium  0 +SubsectionEasier  Explanation  
PT16 S1 Q04 
+LG
 Grouping  Pure +GrpPure  A
1%
160
B
0%
167
C
2%
150
D
2%
158
E
95%
168

132 141 149 
+Easier  0 +SubsectionEasier  Explanation  
PT16 S1 Q05 
+LG
 Grouping  Pure +GrpPure  A
0%
159
B
5%
154
C
85%
169
D
3%
158
E
6%
161

141 150 159 
+Medium  0 +SubsectionEasier  Explanation  
PT16 S1 Q06 
+LG
 Grouping  Pure +GrpPure  A
4%
159
B
4%
159
C
3%
159
D
80%
168
E
9%
165

134 149 164 
+Medium  0 +SubsectionEasier  Explanation 
Note: At 1:30, I made a mistake calling the rule a biconditional. If it were a biconditional, then /Y→S. That’s just not true. /Y doesn't trigger S.
The correct interpretation of the rule is just a straight up "not both" rule, S→/Y.
Thanks to the 7Sagers who pointed this out.
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