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Best resource for 700-800 level questions?

I'm pretty efficient in the quant section, but I've been having problems with the most difficult questions. I have a few books, the OG, 2013 Kaplan, and some old Veritas books from a friend. Can someone point me to the best place to get additional help with the hard questions?

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AWA - Test in 2 Days (sept 3rd)

I've spent all my time up until now working on the verbal and quant sections. A buddy of mind told me that schools don't really care about the AWA section, as long as you get a 4, 5, or 6. Hopefully that's true. He said it's really only testing non native english speakers. Either way, test is Friday...

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Yeah, this was more for practicing the 700-800 level questions. After doing this with being timed, I feel much more confident on those questions, and have a better understanding on how to do them. Obviously I know the real test is timed, which makes it more difficult. Before on my other tests, I was...

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From MGMAT CAT 3 A jar contains 8 red marbles and y white marbles. If Joan takes 2 random marbles from the jar, is it more likely that she will have 2 red marbles than that she will have one marble of each color? (1) y ≤ 8 (2) y ≥ 4 OA B I put down E, but I'm wondering how 2 is suff, why is my ...

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Comparison - omitting words

OG # 89 Dirt roads may evoke the bucolic simplicity of another century, but financially strained townships point out that dirt roads cost twice as much as maintaining paved roads . b) dirt roads cost twice as much to maintain as paved roads do. c) maintaining dirt roads costs twice as much as paved ...

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sanju09 wrote:If x = 2 y, what is the value of x y?

(1) x > y.

(2) 3 x - 2 y = 14.


[spoiler]Source: http://gmat.practicetests.teachstreet.com[/spoiler]

1) Insuff

if you plug the given equation into this, it doesn't give you anything
x>y
2y>y

2) suff

3x-2y=14
3(2y)-2y=14
4y=14
y=7/2
x=7

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WHy cant the equation be something else?THey are parallel lines and not identical lines? They don't have the same intercept, but that itsn't the question. The question is asking if the SLOPE is the same. If 2 lines never intersect on a plane, they must be parallel. Parallel lines have the same slope.

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Is x% of x% of y equal to x% less than y ?

From MGMAT CAT2

Is x% of x% of y equal to x% less than y ?

(1) x(x + 100) = 10,000
(2) y(y + 1) = 1

OA: A