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 500,000 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:

0% (00:00) correct
0% (00:00) wrong based on 0 sessions

HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Hi all,

Could you please explain this for me? I am posting only one part of a DS question.

Is integer x odd? (1) x/2 is NOT an even integer.

My answer: (1) is sufficient.

Since 2 is an even integer, there are two situations either [even/even = even] as in 12/2 = 6 or [even/even = odd] as in 10/2 = 5.

Back to the answer: x/2 = NOT an even int, which means x/2 = odd integer. In that case x can be 10, 14, 18 or so.....and x is EVEN. So the answer for this first part is confirmed NO which means (1) is sufficient.

Last night I thought about this question and found it was a trap question. NOT is included to make it a trap question.

When we think of a number in general way, 3 types of numbers come to our mind: even int, odd int or a fraction. "NOT an even int" means we deduce the first choice of the three types I listed, therefore it can be an odd int or a fraction.

Is anybody agree with me?

Anyways, the correct answer is (1) is NOT SUFFICIENT.