LSAT 24, Logic Game 3, Question 15, LSATHacks

This is another local rule. You should always draw these.

If R does F in week 2 then J has to do F earlier, in week 1. We’re also told that R did X in week 1.

Since R does X first, that means J can’t do any other advanced textbooks before 4. R only does his second advanced book in 3. That’s too late for J to use (they could do that book in 5, at the earliest).

So J does three intro books then three advanced books.

We’re looking for something that could be true.

A is wrong because J always does X fourth, not third.

B is wrong because R can do Y third at the earliest. There’s no space for J to evaluate Y before X.

C can’t be true because there is no advanced textbook that J can do before X. R does X in 1. By the time R does another advanced book in 3, it’s too late for J to do it.

D can’t be true. J can’t do G in week 5. J has to do all three of the introductory books in weeks 1-3.

E could be true, and is CORRECT. It doesn’t matter which order J does the advanced books in. They just have to do them after R does them.

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