Q24

 
dontmesswmeow
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Vinny Gambini
Vinny Gambini
 
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Q24

by dontmesswmeow Sat May 20, 2017 11:26 pm

I just tried possibilities with the base diagram of rules (with the changed condition as well) but wondering what shortcut there can be -

I got it wrong for my first try as I chose (E) since I didn't think much of 'Must Be True' part of the question.

My second try had me get it right but I just couldn't reduce the work conspicuously.

I diagrammed possibilities centering on Car 5 and 6 since either one would be the purple I (as we need to have purple II among the rest cars than car five and six.

Is it the quickest possible way to get this question right?

Please answer me!
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ohthatpatrick
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Atticus Finch
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Re: Q24

by ohthatpatrick Wed May 24, 2017 1:28 pm

Aaah! You picked the worst time to have a "Please answer me!" post! (I was at a family wedding all weekend and then my laptop crashed on Monday, so I can't access all my prep tests).

So sorry for the delay.

The quickest way to think about this problem is to focus on 3 G's, none of which can be next to each other.

If we have to put 3 G's in six spots, and they can't TOUCH each other, that's very limited!

3 non-touching G's requires five spots all by itself: G __ G __ G

So where could the 3 G's go? Normally, in six spots, you could separate your 3 G's by doing
1 3 5
1 3 6
1 4 6
2 4 6

In this case, though, we know that spot 4 is O/P, according to the "no G in 4" rule.

So we really only have to consider the 3 G's in
1 3 5
or
1 3 6

We could frame this, or we could just put a G into our 5/6 cloud where P is (from the rule that there is a P in 5 or 6).

__. __ .__ . O/P. (G, P)
I know that there are G's for sure on 1 and 3.

G. __. G. O/P. (G, P)

So the remaining piece is the other half of the "O/P" placeholder in spot 4.

G . P/O. G. O/P. (G, P)

As it turns out, we could have stopped working a while ago. :) They just want to know where there must be G's, so we had that answer from
13 5
or
13 6

There MUST be a G in 1 and 3. So, it's (D).

If you want to practice spacing out 3 copies of the same letter (that can't touch each other), play the "Fuentes Game" from test 44.
https://www.manhattanprep.com/lsat/foru ... -f292.html