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:

Guys - please see attached. can you please let me know what is the underlying concept behind to solve this and what will be the answer? I don't have an OA unfortunately.

What is the sum of all of the integers in the chart above?

A. 0 B. 300 C. 500 D. 1500 E. 6500

Reorder the numbers in columns in ascending absolute value:

Attachment:

untitled.JPG [ 15.23 KiB | Viewed 3135 times ]

Now, it's easy to spot that the numbers in each column represent an equally spaced set (AP) and the sum in each can be found by mean*# of terms:

Re: What is the sum of all of the integers in the chart above? [#permalink]

Show Tags

22 May 2013, 05:55

enigma123 wrote:

Attachment:

The attachment 111.JPG is no longer available

What is the sum of all of the integers in the chart above?

A. 0 B. 300 C. 500 D. 1500 E. 6500

Sum of the first column = 5*100 = 500. Sum of the last column = 500+5*400 = 2500[As all the corresponding terms are increased by 400] Sum of the second column = 5*-200 = -1000 Sum of the fourth column = -1000-5*200 = -2000 The total sum = 500+2500-1000-2000 = 0 Thus everything when added gets cancelled. Except the inner column. That is an AP and the sum = 5*300 = 1500.

Re: What is the sum of all of the integers in the chart above? [#permalink]

Show Tags

22 May 2013, 09:47

It is easy once you spot that in the same row, the 1st outer most and the second outer most cancel one another. You are then left with adding the column in the middle.
_________________

Re: What is the sum of all of the integers in the chart above? [#permalink]

Show Tags

29 Jan 2015, 19:10

Hello from the GMAT Club BumpBot!

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.
_________________

Re: What is the sum of all of the integers in the chart above? [#permalink]

Show Tags

14 Aug 2016, 04:54

Hello from the GMAT Club BumpBot!

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.
_________________

Version 8.1 of the WordPress for Android app is now available, with some great enhancements to publishing: background media uploading. Adding images to a post or page? Now...

Post today is short and sweet for my MBA batchmates! We survived Foundations term, and tomorrow's the start of our Term 1! I'm sharing my pre-MBA notes...

“Keep your head down, and work hard. Don’t attract any attention. You should be grateful to be here.” Why do we keep quiet? Being an immigrant is a constant...