LSAT 70, Logic Game 4, Question 22, LSATHacks

LG Game 4 Question 22 Explanation, by LSATHacks

The diagrams from question 21 let us solve this question. A is CORRECT. O can be fifth, and in Gladwyn Hall.

Here’s the diagram that proves it:

You can also eliminate some answers using the rules.

B is wrong because rule four says that petrels are lectured on in Gladwyn Hall.

D is wrong because rule four says that sandpipers go before oystercatchers. So sandpipers can’t go fifth.

E is wrong because rule five says that terns are before petrels. So terns can’t go fifth.

C is slightly trickier to eliminate. If rails are fifth and in Howard Auditorium, then we know the placement of both Hs:

Rule four says that sandpipers have to be in Howard Auditorium. But rule four also says that sandpipers must be before oystercatchers.

That’s not possible on this diagram. The only H where we can put sandpipers is in slot 4, and that leave no room to place sandpipers ahead of oystercatchers.

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