It is currently 20 Apr 2019, 22:50

### GMAT Club Daily Prep

#### 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

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

# If the average (arithmetic mean) of two numbers is 35 and o

Author Message
TAGS:
Founder
Joined: 18 Apr 2015
Posts: 6200
Followers: 99

Kudos [?]: 1199 [0], given: 5709

If the average (arithmetic mean) of two numbers is 35 and o [#permalink]  19 Jun 2017, 12:01
Expert's post
00:00

Question Stats:

100% (00:26) correct 0% (00:00) wrong based on 13 sessions

If the average (arithmetic mean) of two numbers is 35 and one of the numbers is k, then what is the other number in terms of k ?

A) 35 + k

B) 35 – k

C) 35 – 2k

D) 70 – k

E) 70 – 2k
[Reveal] Spoiler: OA

_________________
Director
Joined: 03 Sep 2017
Posts: 521
Followers: 1

Kudos [?]: 355 [1] , given: 66

Re: If the average (arithmetic mean) of two numbers is 35 and o [#permalink]  20 Sep 2017, 05:14
1
KUDOS
The average between k and an unknown number x is $$frac{k+x}{2}=35$$. Thus rearranging is straightforward to find that $$x=70-k$$. Answer D!
Re: If the average (arithmetic mean) of two numbers is 35 and o   [#permalink] 20 Sep 2017, 05:14
Display posts from previous: Sort by

# If the average (arithmetic mean) of two numbers is 35 and o

 Powered by phpBB © phpBB Group Kindly note that the GRE® test is a registered trademark of the Educational Testing Service®, and this site has neither been reviewed nor endorsed by ETS®.