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Re: Valuable Collection of Percentage Questions (PS/DS) [#permalink]
06 Jan 2013, 03:03

1

This post received KUDOS

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.

**press kudosto appreciate the efforts put in. if you can click to download then, essentially, you can click to award kudos too. don't hold back

premise: i spent a couple of hours to collect the questions. premise: it only takes a couple of secs to click kudos. premise: most readers can spare a few secs. conclusion: therefore, most readers can award kudos.

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.

Helpful Geometry formula sheet:best-geometry-93676.html I hope these will help to understand the basic concepts & strategies. Please Click ON KUDOS Button.

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

Re: Valuable Collection of Percentage Questions (PS/DS) [#permalink]
29 Dec 2013, 03:53

Expert's post

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.

Re: Valuable Collection of Percentage Questions (PS/DS) [#permalink]
21 Jun 2015, 13:01

Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. _________________

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