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GMAT Math Book

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21 Nov 2014, 09:39
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Bunuel wrote:
bagdbmba wrote:
Hi Bunuel/Karishma,
In the GMAT Math Book (page #5), it says

• If $$a$$ is a factor of $$b$$ and $$b$$ is a factor of $$a$$, then $$a=b$$ or $$a=-b$$.

I can get it but it creates confusion when Veritas Arithmetic book (page # 20) says "Negative numbers are never factors.". So,where is the catch ?

P.S: I hope it's the right place to ask these questions. As I don't post much questions on Math forum so if this is not the right place please move it to the right forum.Thank you!

Yes, for the GMAT we consider only positive factors.

Thanks for the short clarification Bunuel.

P.S: I think, it'd be nice if we insert your comment in the same place in our Math book, if not already there!
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25 Dec 2014, 01:10
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I am preparing for GMAT and i have a problem in maths...i am week in math and i have to face many problems in maths such as integration,percentage and many others....WHAT CAN I DO.?

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01 Apr 2015, 23:14
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One of the Math Prep eBook is available at the website 'aptiDude [dot] com' ...
It contains all the important tips ,tricks and formulas for all quantitative aptitude topics.
Must have a look... http://aptidude.com/trickbook
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20 Apr 2015, 04:39
Thanks a lot. Nice post.
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20 Jun 2015, 04:17
Great resource for Quant prep. Thanks for this!

PS: Noticed that triangles (Page 56) has not been included in the table of contents. Might want to add that in the next revision.

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03 Sep 2015, 07:00
Hi

Am i missing something or the downloaded version really dosent have the chapter on triangles?

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30 Sep 2015, 22:58
Nice compilation of books.Quite Helpful for new joinees here...

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26 Feb 2016, 13:31
This is such a beautiful resource! Thanks so much!
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28 Apr 2016, 08:14
This is a great book.. I refer to it when prepared for my GMAT exam.

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14 Jun 2016, 09:07
Could experts suggest on how to best use the GMAT Club math book. It looks quite comprehensive. Thanks for such a compilation.

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18 Jun 2016, 11:12
Could experts suggest on how to best use the GMAT Club math book. It looks quite comprehensive. Thanks for such a compilation.

Would really appreciate if people who have used the GMAT math book could give their valuable input on how to best utilize this book.

Sent from my MI 3W using Tapatalk

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22 Sep 2016, 01:45
Amazing post..!!!

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03 May 2017, 04:01
hi,

page 21

125,000 has 3 trailing Zeros

is that correct ??
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03 May 2017, 06:21
daviddaviddavid wrote:
hi,

page 21

125,000 has 3 trailing Zeros

is that correct ??

Trailing zeros are a sequence of 0's after which no other digits follow. So, yes 125,000 has 3 trailing 0's.
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03 May 2017, 06:30
Bunuel wrote:
daviddaviddavid wrote:
hi,

page 21

125,000 has 3 trailing Zeros

is that correct ??

Trailing zeros are a sequence of 0's after which no other digits follow. So, yes 125,000 has 3 trailing 0's.

mh Im a bit confused actually I thought Trailing zeros are to the right of a decimal point, as in 25.7200 and so do not affect the value of a number
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07 May 2017, 23:57
great resource

Properties:

is it possible that Example #7 (medium) and Example #8 (medium) are the same ?
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13 Jun 2017, 13:42
Thanks for this, it saves so much of my time!!! I have been taking online course but have this fear of being left out by just following course!!! This will definitely help

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04 Jul 2017, 09:12
I did not parse through all the posts since there are roughly about 8 pages. Apologies if the question is already answered.

Can you let me know what is the formula that is listed on page 64?

Snip as below:
Attachments

doubt.PNG [ 14.06 KiB | Viewed 1303 times ]

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04 Jul 2017, 10:50
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Expert's post
warriorguy wrote:
I did not parse through all the posts since there are roughly about 8 pages. Apologies if the question is already answered.

Can you let me know what is the formula that is listed on page 64?

Snip as below:

Circle inscribed in right triangle: $$r = \frac{ab}{a+b+c}=\frac{a+b-c}{2}$$

The formula gives the radius of a circle inscribed in a right angled triangle knowing the sides of the triangle.
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21 Sep 2017, 00:06
Thanks for the e-book. A very helpful one

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Re: GMAT Math Book   [#permalink] 21 Sep 2017, 00:06

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