a couple of OG DS questions-pls help needed urgently

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Hi every1,

just came back from a wonderful easter camp meeting and l am working on air right now!So with a lot of uneasiness in my heart l have decided to take a leap of faith and register for the GMAT on the 28th of this month(my birthday by the way).l know This sounds foolish but l am letting go and letting God-l guess thats what the whole tenets of christianity is built on-FAITH. l have always wanted to start scoring within the 700+ range before l register for the GMAT but l am doing otherwise now.My current average GMAT score during my mock exams is around 590.So since l m virtually looking for a miracle l am believing that l am going to get a perfect score of 800-so that it will no doubt be miraclous.hope to share with you guys when this feat is accomplished.


o.k so now for my own part of making my dream a reality can any body help me out with these OG 12 DS questions?l need more understandable explanations.



18

54 -more light on the alternative explanation given


75 -l dont understand the substitution for c in the second statement (2)



98 - 1 dont understand the first statement (1)


100 - l dont understand a part of the opening remark.


116 - d 2nd statement (2)


120 -d final factorization from statement (2)


121 -frm d combination


124


128 - d first statement (1)


133 - d second statement(2)


161


pls if anyone can help asap l will appreciate very well.Futhermoore if anybody has any advice that can help me with getting 2 my lofty dreams l am all ears.....l ve got barely a month to go..thanks for your time.
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by Brent@GMATPrepNow » Thu Apr 28, 2011 10:08 am
800+ wrote:Hi every1,

just came back from a wonderful easter camp meeting and l am working on air right now!So with a lot of uneasiness in my heart l have decided to take a leap of faith and register for the GMAT on the 28th of this month(my birthday by the way).l know This sounds foolish but l am letting go and letting God-l guess thats what the whole tenets of christianity is built on-FAITH. l have always wanted to start scoring within the 700+ range before l register for the GMAT but l am doing otherwise now.My current average GMAT score during my mock exams is around 590.So since l m virtually looking for a miracle l am believing that l am going to get a perfect score of 800-so that it will no doubt be miraclous.hope to share with you guys when this feat is accomplished.


o.k so now for my own part of making my dream a reality can any body help me out with these OG 12 DS questions?l need more understandable explanations.



18

54 -more light on the alternative explanation given


75 -l dont understand the substitution for c in the second statement (2)



98 - 1 dont understand the first statement (1)


100 - l dont understand a part of the opening remark.


116 - d 2nd statement (2)


120 -d final factorization from statement (2)


121 -frm d combination


124


128 - d first statement (1)


133 - d second statement(2)


161


pls if anyone can help asap l will appreciate very well.Futhermoore if anybody has any advice that can help me with getting 2 my lofty dreams l am all ears.....l ve got barely a month to go..thanks for your time.
Hi 800+,

Writing the GMAT on your birthday doesn't sound like much fun :-)

You'll get much better responses, if you repost each question separately.
You should also include the entire question, so that everyone has a frame of reference.

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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