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 kudos to 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.

Regards.