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Studying for the LSAT / Looking for Study Partners?
« on: December 22, 2008, 10:05:31 AM »
Try posting a message here:

2009 LSAT Study / Discussion Facebook Group

2
Studying for the LSAT / LSAT Test Center Reviews
« on: December 15, 2008, 10:57:38 AM »
http://scratchpad.wikia.com/wiki/LSAT_Test_Centers

Please add your experiences here so that people know which test center they should choose!

3
Studying for the LSAT / Explanation of PT 55, Game 2
« on: December 05, 2008, 11:35:14 AM »
This game is annoying because of the multiple possibilities, but it's really not so bad.. Aren't they hip, using e-mail in the topic? Next thing you know, they'll be mentioning Facebook, MySpace, and text messages.


Game 2:


Basically, we have either 4, 5, or 6 slots. So your templates would be:


_ _ _ _    in this template, it would be HJLH or JLHJ because we can't have LHJL (L can't be first), and first and last must be the same.

_ _ _ _ _

_ _ _ _ _ _

there are too many possibilities to draw out in the 5 and 6 slot templates. just remember to write the not-laws that L can't be first or last in each.





abstractions of the rules:

1 - HJ (horizontal block)

J is 1/2/3

L not last

1 <--> last



question 7:

pick through it using the rules one at a time. straightforward - each choice except D violates a rule.


question 8:
when they say "maximum," that means we should create a 6-slot template.

the key is to remember that we can only have 1 or 2 of each letter, so J and H are closer than you'd think - we get JLLHHJ

there are only 2 spaces between the first J and the first H - answer C

question 9:

go back to the beginning where I wrote the two layouts for the 4-slot option: HJLH or JLHJ

what must be true is A - we only have 1 "L" in each scenario

B- could be true, not a must
C-could be true, not a must
D- could be true, not a must
E-could be true, not a must

the key here is to look at both possible layouts


question 10:
E - because L cannot be 1st,it can't be last. if there is a 6th one, the 6th one must be the final one.


question 11:
if the 5th is from L:

A-the 1st cannot be from J, because then the 6th would be from J. this prevents us having an HJ block because we can't have 3 Js.
B-2nd can't be from L because that leads us to HLHJLH - 3 Hs are not permitted
C-3rd can't be H because we can't fit the HJ block without making 3 of something
D- 4th from J. We get HJLJLH - answer - satisfies all conditions
E-6th from L is not permitted (see previous question, and original rule - L can't be first, so it can't be last


question 12:
First try the 6 slot diagram with maximum spacing: _ L _ _ L _

however, we can't fit an HJ block except in slots 3/4, which means that there would be a 3rd slot of something, so try them closer together

HJLJLH works, but there's only one space

I'd go on to the 5-slot diagram, but since L can't be 5th in this diagram, I get

_ L _ L _   - only one space between them again, and I know that HJLJLH works, so there's only one space - the answer is B.



7. D
8. C
9. A
10. E
11. D
12. B

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Studying for the LSAT / Explanation of PT 55, Game 4, Question 23
« on: December 03, 2008, 11:49:04 PM »
One of my students had a question about question 23 of the logic games section of PT 55. here is my explanation in case anyone else is interested.

Question:

"In the logic games for number 23, I got A. That is the only one that I got wrong. Let me know what you think."

Answer:

The answer to 23 is D. Here's the layout of the scenario that proves it:

M L F S
V J G R
1 2 3 4


(A) is wrong because G is on board when the van reaches F, as you see above.

(B) J is on board when the van reaches M, as you see above.

(C) R is still on board when the van reaches F, as you see above.

(D) is the answer because V has already left when the van reaches F. It's impossible to create a scenario where V is grouped with F or V is after F.

(E) the diagram above shows that V is with M.


The game's overall setup

_ _ _ _ FLMS
_ _ _ _ GJRV
1 2 3 4


Abstractions of the rules

L is on 1 or 2 - straightforward rule

V > J - straightforward rule

MR as a vertical block, or M > R. We can never have R > M.

FJ as a vertical block or F > J, either of which cause a GS vertical block or an S > ordering

Alternatively, if we have J > F, then we have G > S.

This game is a bit different from the ones in previous exams. The rules are a bit twisted, but if you got everything else in the game right, then I'm sure you understood the two main possibilities for the final rule regarding F, J, G, S.

5
Oh Hai, I forgot to READ THE RULES, so the mod replaced my ad with a lolcat! 



--posted edited by EC

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