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See my comment on your other post for the first question. http://www.urch.com/forums/gre-math/157688-plzz-solve.html

4. Given a series of numbers...

The standard deviation measures the average...

7. Given that if an average of first 5 numbers of a particular set of 12 numbers is 6 and average of all these 12 numbers is 7.5 then find the average of first 7 numbers is?


This question...

In this case, "all but" is not being used as a contrast phrase. It means "very nearly" (see this post conjunctions - "All but" idiom has two meanings? - English Language & Usage Stack Exchange for an...

To start off, let's look at how taking a value for Y (Y can range from 2 - 9) limits the values for X.

With Y = 9 (for instance), then X can range from [1,8]

That means that for Y = 9 there are...

For Question (1):

He could not bring himself to write a book that was dull/boring. In other words, something caused him to step away from writing a bad novel. If someone where...

The complicated word here is: Prudery.

Let's operate under the assumption that we do not know what it means.

[Something] actually brings attention to a vice (negative trait) when it is supposed...

For (7):

(A) There is nothing mentioned about this here, clearly not correct.
(B) "The formation of sea ice causes the concentration of salt in surface waters to increase; less sea ice would mean...

I would agree that you should not do practice questions with a dictionary handy.

What I would suggest, however, is to make note of words that you do not know. I would make flashcards...

The characters are proud of their wisdom and lack of illusions. Even despite this, they sometimes express unjustified ______?

The two sentences run parallel with one another; the word in the...

The issue with your approach is that a line down the center of the outer square would not bisect the inner-square on an angle. If it did, you approach would work perfectly!

Instead, we will have...

I was immediately confused in your answer here. I thought I would be reading about people, and your first sentence was regarding "customers". This needs more pre-amble.



Grammatically this...

In this case you want to use: may be not maybe. In other words, it might be true... not It perhaps true.
You should say "increased over the past year" or "increased over last year's" not "increased...