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

It is currently 20 Aug 2019, 17:43

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

The median and mean of set S={3,8,-1,7,4} can be made equal by includi

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

Hide Tags

Find Similar Topics 
VP
VP
User avatar
V
Joined: 23 Feb 2015
Posts: 1171
GMAT ToolKit User Premium Member
The median and mean of set S={3,8,-1,7,4} can be made equal by includi  [#permalink]

Show Tags

New post 06 Aug 2019, 08:32
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

80% (02:57) correct 20% (01:32) wrong based on 10 sessions

HideShow timer Statistics

The median and mean of set \(S={3,8,-1,7,4}\) can be made equal by including which of the following numbers to \(S\)?
A) 9
B) -2
C) -3
D) 12
E) 3

_________________
“The heights by great men reached and kept were not attained in sudden flight but, they while their companions slept, they were toiling upwards in the night.”
Henry Wadsworth Longfellow

Do you need official questions for Quant?
3700 Unique Official GMAT Quant Questions
------
SEARCH FOR ALL TAGS
GMAT Club Tests
Manager
Manager
User avatar
S
Joined: 29 Jun 2019
Posts: 154
The median and mean of set S={3,8,-1,7,4} can be made equal by includi  [#permalink]

Show Tags

New post 06 Aug 2019, 10:03
First we have to arrange numbers consecutive -1,3,4,7,8
Mean = 21/5
Median 4
If we add number 12, we will have
-1,3,4,7,8,12
Mean= 33/6=5.5
Median=4+7/2=5.5
Option D

Posted from my mobile device
_________________
Always waiting
GMAT Club Bot
The median and mean of set S={3,8,-1,7,4} can be made equal by includi   [#permalink] 06 Aug 2019, 10:03
Display posts from previous: Sort by

The median and mean of set S={3,8,-1,7,4} can be made equal by includi

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





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