GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 19 Oct 2019, 23:19

Close

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
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.

Close

Request Expert Reply

Confirm Cancel

If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 58445
If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1  [#permalink]

Show Tags

New post 14 Jan 2019, 04:11
1
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

84% (00:45) correct 16% (00:54) wrong based on 40 sessions

HideShow timer Statistics

GMAT Club Legend
GMAT Club Legend
User avatar
D
Joined: 18 Aug 2017
Posts: 5021
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
GMAT ToolKit User Premium Member
Re: If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1  [#permalink]

Show Tags

New post 14 Jan 2019, 04:55
Bunuel wrote:
If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 11 + 25 + p=

A. 16
B. 44
C. 56
D. 60
E. 64



8 + 11 + 25 + p/ 4 = 15
sum = 60
IMO D
Senior Manager
Senior Manager
User avatar
P
Joined: 13 Jan 2018
Posts: 342
Location: India
Concentration: Operations, General Management
GMAT 1: 580 Q47 V23
GMAT 2: 640 Q49 V27
GPA: 4
WE: Consulting (Consulting)
Reviews Badge
Re: If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1  [#permalink]

Show Tags

New post 14 Jan 2019, 04:58
\(\frac{8 + 11 + 25 + p}{4}\) = 15

8 + 11 + 25 + p = 60

OPTION: D
_________________
____________________________
Regards,

Chaitanya


+1 Kudos

if you like my explanation!!!
Intern
Intern
avatar
B
Joined: 15 Dec 2018
Posts: 30
Location: India
GMAT 1: 650 Q45 V35
GMAT 2: 650 Q45 V45
GPA: 3.5
Re: If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1  [#permalink]

Show Tags

New post 14 Jan 2019, 05:16
IMO D

The trick is not to misread the question and assume it was asking only for P

Posted from my mobile device
Manager
Manager
User avatar
B
Joined: 14 Mar 2018
Posts: 56
GPA: 2.99
Re: If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1  [#permalink]

Show Tags

New post 14 Jan 2019, 05:46
Level 400 question =)))

A= S/n

n = 4, A = 15, S = (8+11+25+p)

=> (8+11+25+p) = 4 x 15 = 60

Answer D.
Board of Directors
User avatar
D
Status: QA & VA Forum Moderator
Joined: 11 Jun 2011
Posts: 4774
Location: India
GPA: 3.5
WE: Business Development (Commercial Banking)
GMAT ToolKit User
Re: If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1  [#permalink]

Show Tags

New post 14 Jan 2019, 11:22
Bunuel wrote:
If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 11 + 25 + p=

A. 16
B. 44
C. 56
D. 60
E. 64
\(8 + 11 + 25 + p = 15*4 = 60\), Answer must be (D) 60
_________________
Thanks and Regards

Abhishek....

PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS

How to use Search Function in GMAT Club | Rules for Posting in QA forum | Writing Mathematical Formulas |Rules for Posting in VA forum | Request Expert's Reply ( VA Forum Only )
Target Test Prep Representative
User avatar
D
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 8109
Location: United States (CA)
Re: If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1  [#permalink]

Show Tags

New post 14 Jan 2019, 19:00
Bunuel wrote:
If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 11 + 25 + p=

A. 16
B. 44
C. 56
D. 60
E. 64


We use the formula for the average to create the equation:

(8 + 11 + 25 + p)/4 = 15

8 + 11 + 25 + p = 60

Answer: D
_________________

Scott Woodbury-Stewart

Founder and CEO

Scott@TargetTestPrep.com
TTP - Target Test Prep Logo
122 Reviews

5-star rated online GMAT quant
self study course

See why Target Test Prep is the top rated GMAT quant course on GMAT Club. Read Our Reviews

If you find one of my posts helpful, please take a moment to click on the "Kudos" button.

GMAT Club Bot
Re: If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1   [#permalink] 14 Jan 2019, 19:00
Display posts from previous: Sort by

If the average (arithmetic mean) of 8, 11, 25, and p is 15, then 8 + 1

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  





Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne