Numbers

This topic has expert replies
Junior | Next Rank: 30 Posts
Posts: 20
Joined: Sun Oct 25, 2015 3:23 am

Numbers

by rajan_agarwal » Mon Dec 07, 2015 3:06 am
Q. Sum of N natural numbers is S1, Sum of natural numbers upto 2N is S2, Sum of natur.{l numbers upto 3N is S3. Consider a as 1st term and d as common diference, Then find value of S3-S1-S2?

User avatar
GMAT Instructor
Posts: 3650
Joined: Wed Jan 21, 2009 4:27 am
Location: India
Thanked: 267 times
Followed by:80 members
GMAT Score:760

by sanju09 » Fri Feb 05, 2016 12:25 am
rajan_agarwal wrote:Q. Sum of N natural numbers is S1, Sum of natural numbers upto 2N is S2, Sum of natur.{l numbers upto 3N is S3. Consider a as 1st term and d as common diference, Then find value of S3-S1-S2?
Dear rajan_agarwal,

If you are preparing for GMAT, then you should not visit a source this question belongs to.
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 2095
Joined: Tue Dec 04, 2012 3:22 pm
Thanked: 1443 times
Followed by:247 members

by ceilidh.erickson » Fri Feb 05, 2016 10:00 am
The GMAT will never ask you a question about "natural numbers" or a "common difference." This is not a GMAT-like question at all.
Ceilidh Erickson
EdM in Mind, Brain, and Education
Harvard Graduate School of Education