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# Error in Kaplan GMAT Premier 2011 Errata

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Intern
Joined: 13 Aug 2010
Posts: 3
Error in Kaplan GMAT Premier 2011 Errata [#permalink]

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06 Sep 2010, 14:15
I've noticed there's an error on page 323. It states the surface of an area is

Total surface area = areas of bases + LSA.

$$SA= 2(\pi)r^2 * 2(\pi)rh$$

$$SA= 2(\pi)r^2 + 2(\pi)rh$$

I went on the Kaplan publishing website to verify this error but realized 2011 edition is not yet posted. Did anyone else spot any more errors on this book by chance? I'm interested to know if anyone found anymore errors on this edition.

Thanks.
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Joined: 04 Dec 2002
Posts: 15253
Location: United States (WA)
GMAT 1: 750 Q49 V42
Re: Error in Kaplan GMAT Premier 2011 [#permalink]

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06 Sep 2010, 14:58
1
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Expert's post
You are correct - indeed there is a typo (on page 324 it rewrites the formula correctly). It should be a "+" instead of "*"
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Re: Error in Kaplan GMAT Premier 2011 Errata [#permalink]

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06 Sep 2010, 22:45
1
KUDOS
Expert's post
P.S. I don't have a listing of their typos. I have sent a note to Kaplan representative.
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Intern
Joined: 13 Aug 2010
Posts: 3
Re: Error in Kaplan GMAT Premier 2011 Errata [#permalink]

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06 Sep 2010, 23:19
bb wrote:
P.S. I don't have a listing of their typos. I have sent a note to Kaplan representative.

Thanks for your prompt response BB. Great website BTW! I just recently joined and really enjoy what this website has to offer and found it very useful in my prepartion for the GMAT.

Just wanted to thank you and your staff. You guys are doing a great job!
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Joined: 25 Aug 2009
Posts: 644
Location: Cambridge, MA
Re: Error in Kaplan GMAT Premier 2011 Errata [#permalink]

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07 Sep 2010, 12:13
Hi charlie,

Thanks for the heads up! Whenever something like this comes up with one of our published workshops, just email booksupport@kaplan.com, and someone will get back to you shortly. Let me know if you have any further question!

Eli
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Status: Preparing myself to break the sound( 700 )-barrier!
Joined: 15 Feb 2011
Posts: 209
Re: Error in Kaplan GMAT Premier 2011 Errata [#permalink]

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29 Apr 2011, 07:08
I found another error (typo) in Kaplan Premier 2011 (page 375) in the "Picking Numbers" section in last but four line. The option B should be 7^(b+1) not 7^(b+7).

Can anyone confirm?

I have started going through the book a week back. I will try to find out as much typo/error as possible (!!) for my smooth GMAT preparation as well as others'.
Intern
Joined: 28 May 2011
Posts: 18
Re: Error in Kaplan GMAT Premier 2011 Errata [#permalink]

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10 Jun 2011, 16:22
Schawjibb - I agree. Choice B should be 7^b+1
Re: Error in Kaplan GMAT Premier 2011 Errata   [#permalink] 10 Jun 2011, 16:22
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