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Are arithmetic and geometric sequences tested on the GMAT?

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Director
Joined: 23 Apr 2010
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Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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27 Jul 2010, 13:51
Are arithmetic and geometric sequences tested on the GMAT? I haven't found them in the OG, but I did find them on this forum. Thank you.

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Concentration: Strategy, General Management
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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27 Jul 2010, 14:07
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Yes these are tested in GMAT.

Check out the following questions in OG 12

PS: 98, 146, 171, 228, D3 (Page 20)
DS: 19, 45

Hope it helps!
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Director
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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28 Jul 2010, 02:48
Hussain15, thanks. I just don't understand how it's possible that they are not listed in the OG's summary of math topics covered by the GMAT.

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Manager
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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28 Jul 2010, 03:13
nonameee wrote:
Hussain15, thanks. I just don't understand how it's possible that they are not listed in the OG's summary of math topics covered by the GMAT.

To me, the OG is just a question bank of previous real GMAT questions nothing more nothing less

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Manager
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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28 Jul 2010, 04:02
jakolik wrote:
nonameee wrote:
Hussain15, thanks. I just don't understand how it's possible that they are not listed in the OG's summary of math topics covered by the GMAT.

To me, the OG is just a question bank of previous real GMAT questions nothing more nothing less

but level of OG quant is no where near to actual GMAT, just to simulate compare with level in GMATPREP (only if you are aiming 49+)

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Location: United States
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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28 Jul 2010, 05:06
smartmundu wrote:
jakolik wrote:
nonameee wrote:
Hussain15, thanks. I just don't understand how it's possible that they are not listed in the OG's summary of math topics covered by the GMAT.

To me, the OG is just a question bank of previous real GMAT questions nothing more nothing less

but level of OG quant is no where near to actual GMAT, just to simulate compare with level in GMATPREP (only if you are aiming 49+)

Please don't say such things without consideration.

The OG covers the ENTIRE spectrum of difficulty and is in ascending difficulty order, thus a small portion of the OG covers 650+ difficulty.
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Manager
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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28 Jul 2010, 07:34
mohater wrote:

Please don't say such things without consideration.

The OG covers the ENTIRE spectrum of difficulty and is in ascending difficulty order, thus a small portion of the OG covers 650+ difficulty.

I have clearly mentioned if aiming 49+, this is my personal opinion.

When i started practicing OG for quants, i am able to do all PS and DS problem under 1 minute (other than 10-15 ques which took around 2min) with 90-95% accuracy but when i took my first old GMATPREP1 i was totally shocked with the level

so whatever I said is my personal opinion

for basics OG is ok (again personal opinion) but i strictly recommend practice GMATPREP's for quants

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Intern
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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30 Jul 2010, 15:43
Smartmundu - Have you tried looking at the GMATclub math problems?

I'm in a similar boat and trying to take the next step in my quant preparations.
Still getting a lot out of the gmatclub stuff, but look for anything that can be of use.

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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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30 Jul 2010, 23:58
magnetictempest wrote:
Smartmundu - Have you tried looking at the GMATclub math problems?

I'm in a similar boat and trying to take the next step in my quant preparations.
Still getting a lot out of the gmatclub stuff, but look for anything that can be of use.

I joined MasterGMAT course...their Quant content is really good. Just an example on their system i faced around 10-12 different type of Standard Deviation problems similar to what GMAT ask

I am not advertising MasterGMAT but i am really pretty impressed with their Quant section, not with Verbal

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Director
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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06 Aug 2010, 02:02
My initial question was how it is possible that sequences are not listed in the OG. Which leads me to my second question: Where can I find a complete list of math topics covered by the GMAT?

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Manager
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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06 Aug 2010, 06:39
nonameee wrote:
My initial question was how it is possible that sequences are not listed in the OG. Which leads me to my second question: Where can I find a complete list of math topics covered by the GMAT?

other then OG there is no authentic course..you can try Manhattan Quant books..you can download 1st chapter of all books from their website and see the Table of Contents

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Director
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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20 Aug 2010, 03:39
The reason I asked the question was that I don't want to find myself in a situation when I am asked a question that I wasn't prepared for. So I still don't understand how in the world it is possible that sequences are tested but are not listed in the OG.

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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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20 Aug 2010, 04:05
nonameee wrote:
The reason I asked the question was that I don't want to find myself in a situation when I am asked a question that I wasn't prepared for. So I still don't understand how in the world it is possible that sequences are tested but are not listed in the OG.

Sequences are tested, but not directly. They probably wont ask you the nth term of some sequence or the sum to n terms. But they use Word Problems to test this. Say something like a a guitar has six strings... ratios of frequencies... blah blah blah and at the end ask you whats the frequency of first string. Something like this.

Or say a ball falls to the ground from 100m. With every bounce it travels half the height it previosly attained. Whats the total distance covered by the ball? In this problem you have to use the sum upto infinity of the geometric progression.

Must agree that it is not absolutely necessary to know the formulae but you are at an advantage when such questions are asked.

Cheers!

****************************
Kudos me if you like this post.

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Director
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Re: Are arithmetic and geometric sequences tested on the GMAT? [#permalink]

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20 Aug 2010, 04:23
OK, thanks, I got it.

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Re: Are arithmetic and geometric sequences tested on the GMAT?   [#permalink] 20 Aug 2010, 04:23
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