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Valuable Collection of Percentage Questions (PS/DS)

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New post 04 Nov 2011, 13:00
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New post 07 Nov 2011, 12:05
Thanks a bunch for this collection.

Quick question- Is it possible to list the source of each question? or is this too much to ask.
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New post 14 Nov 2011, 12:17
thanks. great stuff!
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New post 14 Nov 2011, 17:43
Thanks for the information. Next month I plan to start studying for the GMAT so this should be helpful. :)
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New post 30 Nov 2011, 16:36
thisiszico2006 wrote:
The link below covers so many advanced topics in astonishingly simple way. Check it out if you have some free time.

http://totalgadha.com/mod/forum/view.php?id=53



I will definitely check it out. Thanks.
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New post 31 May 2012, 11:37
very useful :) thanks

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New post 06 Jan 2013, 03:03
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MBAhereIcome wrote:
here's a collection of percentage questions from gmatclub with hidden answers and explanations; press the hide button ¶ or ctrl+* [ctrl+shift+8] to reveal them.

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Hi,

It is really helpful to have questions database from topic to topic. Thanks for sharing it. But I was not able to follow few answers presented in your file. Q 13 says that

Q 13) Rodrick mixes a martini that has a volume of 'n' ounces having 40% Vermouth and 60% Gin by volume.
He wants to change it so that the martini is 25% Vermouth by volume. How many ounces of Gin must
he add?
A) n/6
B) n/3
C) 3n/5
D) 5n/6
E) 8n/5

how is the equation fromulated in solution, i am not able to understand. and I dont know about allegation method. If you can explain a bit about this question, that will be helpful.

Regards.
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New post 23 Aug 2013, 02:30
Nice sharing....very appreciable.Thanks
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Re: Valuable Collection of Percentage Questions (PS/DS) [#permalink]

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New post 27 Dec 2013, 17:51
Any tips on how to always know that that they are asking for either absolute percent or percent increase/decrease? Sometimes the fact that the percent increase or New-Old / Old is being asked for is not that clear.

Thanks
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Re: Valuable Collection of Percentage Questions (PS/DS) [#permalink]

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New post 29 Dec 2013, 03:53
Policarpa wrote:
Any tips on how to always know that that they are asking for either absolute percent or percent increase/decrease? Sometimes the fact that the percent increase or New-Old / Old is being asked for is not that clear.

Thanks


It should be clear from the stem. Can you please post questions which are confusing in that regard? Thank you.

Meanwhile you can check the following:
Theory on Percent and Interest Problems: math-number-theory-percents-91708.html

All DS Percent and Interest Problems to practice: search.php?search_id=tag&tag_id=33
All PS Percent and Interest Problems to practice: search.php?search_id=tag&tag_id=54


Hope this helps.
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New post 07 Jan 2014, 02:32
Thanks a lot!
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Hello from the GMAT Club BumpBot!

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Re: Valuable Collection of Percentage Questions (PS/DS)   [#permalink] 22 Jun 2016, 23:32

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