Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized for You

we will pick new questions that match your level based on your Timer History

Track Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

It appears that you are browsing the GMAT Club forum unregistered!

Signing up is free, quick, and confidential.
Join other 350,000 members and get the full benefits of GMAT Club

Registration gives you:

Tests

Take 11 tests and quizzes from GMAT Club and leading GMAT prep companies such as Manhattan GMAT,
Knewton, and others. All are free for GMAT Club members.

Applicant Stats

View detailed applicant stats such as GPA, GMAT score, work experience, location, application
status, and more

Books/Downloads

Download thousands of study notes,
question collections, GMAT Club’s
Grammar and Math books.
All are free!

Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:

Ans is E Statement 1: x>0; if x = 1 & y =5, both sides are not same. if x = 10 & y =5, both sides are same. Not sufficient Statement 2: y<0; if x = 1 & y = -5, both sides are not same. if x = 10 & y = -5, both sides are same. Not sufficient

Together x>0 & y<0 again not Sufficient as seen from above examples _________________

The given equality can be rewritten as \(x^2-y^2=|x^2-y^2|\). As \(|a|=a\) if and only if \(a\geq0\), the question can be rephrased as "Is \(x^2-y^2\geq0\) or \(x^2\geq{y^2}\) ?".

Then, we can easily see that the given pieces of information don't help at all, neither each one alone, nor both together.

Therefore, answer is E. _________________

PhD in Applied Mathematics Love GMAT Quant questions and running.

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. _________________

Type of Visa: You will be applying for a Non-Immigrant F-1 (Student) US Visa. Applying for a Visa: Create an account on: https://cgifederal.secure.force.com/?language=Englishcountry=India Complete...