LG Game 3 Question 16 Explanation, by LSATHacks
If M is in row 1, then M must be in a window seat. If M were in an aisle seat, then K would be in a window seat, and that would force M go to in row 3.
In fact, K must be in an aisle seat, so that M doesn’t go in row 3.
Finally, K must be in row 1. Why? The only spare aisle spaces are 1 or 3. If K were in 3, then Imamura would be in 1. But that wouldn’t work, because M must go in 1.
We can therefore also deduce that G and H must be in 2 and 3.
This was a complicated sequence of rules. Work through it on your own if you’re not clear how it works.
So the drawing looks like this:
It doesn’t matter whether Imamura or L are in rows 2 or 3. Those aren’t sufficient conditions for anything.
A is wrong because H must sit in row 3.
B could be true, but it doesn’t have to be. There are no rules for L and Imamura.
C could be true, but it doesn’t have to be. There are no rules for putting L and Imamura in spots 2 and 3.
D is CORRECT. If K were in a window seat, that would force M to be in 1, not 3.
So K sits in the aisles. If she sat in row 3, then Imamura would be in row 1 of the windows, and there would be no space for M to go there.
E could be true, but doesn’t have to be. There are no rules to tell us where to put L and Imamura.
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