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- Sat Jan 21, 2012 12:00 am
#49534
Setup and Rule Diagram Explanation
This is a Basic Linear Game: Balanced, Identify the Templates.
The rule that establishes that either W or Y arrives fourth triggers the two templates above. Let us take a moment to examine each template in more detail.
Template #1: When Y arrives fourth, both W and S must arrive ahead of Y. The placement of the R, T, V sequence now becomes a problem. If R arrives fifth, then T and V would have to arrive sixth and seventh, a violation of the last rule. Thus, R must arrive before Y. We can now infer that the three trains arriving before Y are W, S, and R, not necessarily in that order. Both T and V must arrive after Y. Because T and V must not arrive consecutively, either T or V must arrive fifth, and the remainder must arrive seventh. Q, the random, must arrive sixth.
Template #2: When W arrives fourth, both S and Y must arrive after W. As in the previous template, the placement of the R, T, V sequence now becomes a problem. R, T, and V cannot all arrive before W, and thus either T or V must arrive after W. Consequently, R and the remainder of T/V must arrive before W. Q is also forced to arrive before W.
This is a Basic Linear Game: Balanced, Identify the Templates.
The rule that establishes that either W or Y arrives fourth triggers the two templates above. Let us take a moment to examine each template in more detail.
Template #1: When Y arrives fourth, both W and S must arrive ahead of Y. The placement of the R, T, V sequence now becomes a problem. If R arrives fifth, then T and V would have to arrive sixth and seventh, a violation of the last rule. Thus, R must arrive before Y. We can now infer that the three trains arriving before Y are W, S, and R, not necessarily in that order. Both T and V must arrive after Y. Because T and V must not arrive consecutively, either T or V must arrive fifth, and the remainder must arrive seventh. Q, the random, must arrive sixth.
Template #2: When W arrives fourth, both S and Y must arrive after W. As in the previous template, the placement of the R, T, V sequence now becomes a problem. R, T, and V cannot all arrive before W, and thus either T or V must arrive after W. Consequently, R and the remainder of T/V must arrive before W. Q is also forced to arrive before W.
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Dave Killoran
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PowerScore Test Preparation
Follow me on Twitter at http://twitter.com/DaveKilloran
My LSAT Articles: http://blog.powerscore.com/lsat/author/dave-killoran
PowerScore PodCast: http://www.powerscore.com/lsat/podcast/