Mistake on February 1994 Logic Game??

revahp00
Posts: 33
Joined: Mon Aug 22, 2011 3:14 pm

Mistake on February 1994 Logic Game??

Postby revahp00 » Mon Aug 22, 2011 3:28 pm

Hey everyone- Long time troll here first time poster

I'm currently studying for lsats and came across a logic game from February 1994 where I believe there is a mistake on the part of the "makers".

The question asks: If O is selected for the first Sunday, which one of the following is a concerto that must also be selected:
(A)
(B)
(C)
(D)
(E)

The correct listed answer is (B), and I can see how (B) can be correct. That is, if O is first then J cannot be selected because O, under the condition proposed in the question stem, is first. And, since 2 of H, J, and K, must be selected, and since J cannot be selected with O, then naturally K must occur.
However, I can also see how (D) can be correct. My reasoning for why (D) can be correct is as follows: If O is selected then M cannot be selected, and if M is not selected then N must be selected. Does anyone see how my reasoning may be flawed? Thanks!

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revahp00
Posts: 33
Joined: Mon Aug 22, 2011 3:14 pm

Re: Mistake on February 1994 Logic Game??

Postby revahp00 » Mon Aug 22, 2011 3:46 pm

Actually found the flaw in my own reasoning after typing the whole darn thing out! Thanks.
For those who are interested I made a mistaken reversal of the contrapositive of N---> not (M)

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20121109
Posts: 2149
Joined: Mon Apr 27, 2009 8:19 pm

Re: Mistake on February 1994 Logic Game??

Postby 20121109 » Mon Aug 22, 2011 6:37 pm

Please do not post full texts of official LSAT questions.




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