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

 It is currently 16 Oct 2019, 05:03

### 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 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 58390
If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,  [#permalink]

### Show Tags

19 Feb 2019, 23:56
00:00

Difficulty:

25% (medium)

Question Stats:

91% (00:59) correct 9% (00:40) wrong based on 11 sessions

### HideShow timer Statistics

If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a, b, and c ?

A. 39
B. 26
C. 24
D. 18
E. 9

_________________
Manager
Joined: 13 Oct 2018
Posts: 85
Location: India
GPA: 3.1
WE: Information Technology (Computer Software)
Re: If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,  [#permalink]

### Show Tags

20 Feb 2019, 00:03
1

fron the given equation

2a = 72
so a = 36

simiarly for b = 24
and c = 18

average = 36+24+18 / 3 = 26

Posted from my mobile device
_________________
Ankit
GMAT is tough so I am ...
Giving Kudos is the best way to encourage and appreciate people
GMAT Club Legend
Joined: 18 Aug 2017
Posts: 5005
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,  [#permalink]

### Show Tags

20 Feb 2019, 01:55
Bunuel wrote:
If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a, b, and c ?

A. 39
B. 26
C. 24
D. 18
E. 9

a=36, b= 24, c= 18
avg= 26
IMO B
Re: If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,   [#permalink] 20 Feb 2019, 01:55
Display posts from previous: Sort by