Math questions from any Manhattan Prep GMAT Computer Adaptive Test.
aditi1903
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Is x·|y| > y^2? (1) x > y (2) y > 0

by aditi1903 Thu Jan 09, 2014 7:07 am

Is x·|y| > y^2?

(1) x > y

(2) y > 0

It is a DS question from MGMAT Quant section.
I am not able to crack it and understand it even after reading the solution. How are we supposed to assume values in the absolute value questions?

Can you please help.

Thanks!
RonPurewal
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Re: Is x·|y| > y^2? (1) x > y (2) y > 0

by RonPurewal Thu Jan 09, 2014 11:31 am

aditi1903 Wrote:Is x·|y| > y^2?

(1) x > y

(2) y > 0

It is a DS question from MGMAT Quant section.
I am not able to crack it and understand it even after reading the solution. How are we supposed to assume values in the absolute value questions?


For us to help you out here, you'll have to give us some specifics. What did you already try? What do you already understand? What don't you understand?

If you used a number-picking approach, what kinds of numbers did you pick, and WHY? What was your GOAL in picking those numbers?
(This is a data sufficiency problem, so you should have a very specific goal in mind when you pick the numbers.)

Let us know more about your approach, please. If you just write "I can't crack it", there's not much we can do beyond referring you to the existing answer key.

Thanks.