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by albert.chi
Wed Aug 05, 2009 1:33 am
 
Forum: GMAT Official Practice Test Math
Topic: Are x and y both positive? 1) 2x - 2y = 1, 2) x/y > 1
Replies: 34
Views: 57938
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Re: Are x and y both positive? 1) 2x - 2y = 1, 2) x/y > 1

Can someone help me understand how my 'intuition' is incorrect? To me: Statement 1) says that the difference between X and Y is .5, no matter where on the number line they are. Both cases work: <-------0-------Y(1)---X(1.5)----> or <-Y(-2)---X(-1.5)---0------------> Statement 2) says tha...
by albert.chi
Thu Aug 06, 2009 3:30 pm
 
Forum: GMAT Official Practice Test Math
Topic: Value of Z
Replies: 5
Views: 2172
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Re: Value of Z

At first I thought that B would be sufficient as well, however this would allow 'z' to be anything, given that 'n' = 0.

So therefore, you need Statement (1) to rule that possibility out.

Hope that helps.
by albert.chi
Sun Aug 09, 2009 7:27 am
 
Forum: GMAT Official Practice Test Math
Topic: Are x and y both positive? 1) 2x - 2y = 1, 2) x/y > 1
Replies: 34
Views: 57938
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Re: Are x and y both positive? 1) 2x - 2y = 1, 2) x/y > 1

Hi, can someone please answer my question in case it was missed?

Thanks!
by albert.chi
Fri Aug 14, 2009 3:52 am
 
Forum: Manhattan Prep GMAT CAT Math
Topic: what percent is x of y
Replies: 14
Views: 12633
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Re: what percent is x of y

I know I might be over thinking this, but should there be something in the question stem that says that xy != 0? (xy does not equal zero?)

1) x = 3y
>> I would assume that dividing by y where y = 0 would be incorrect?
by albert.chi
Sat Aug 22, 2009 1:25 am
 
Forum: General Verbal Questions
Topic: New York Times grammar question
Replies: 4
Views: 1366
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New York Times grammar question

I came across this snippet from the NYTimes travel section regarding a review of Oslo, Norway. Visitors at the painstakingly restored home of the Norwegian playwright Henrik Ibsen, which is now a museum. Is this grammatically correct? Doesn't the "which" refer to Henrik Ibsen, or can it re...
by albert.chi
Sun Aug 23, 2009 9:23 am
 
Forum: General Verbal Questions
Topic: New York Times grammar question
Replies: 4
Views: 1366
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Re: New York Times grammar question

Thanks for the explanation mikrodj