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

 It is currently 09 Dec 2018, 20:55

### 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

## Events & Promotions

###### Events & Promotions in December
PrevNext
SuMoTuWeThFrSa
2526272829301
2345678
9101112131415
16171819202122
23242526272829
303112345
Open Detailed Calendar
• ### Free GMAT Algebra Webinar

December 09, 2018

December 09, 2018

07:00 AM PST

09:00 AM PST

Attend this Free Algebra Webinar and learn how to master Inequalities and Absolute Value problems on GMAT.
• ### Free lesson on number properties

December 10, 2018

December 10, 2018

10:00 PM PST

11:00 PM PST

Practice the one most important Quant section - Integer properties, and rapidly improve your skills.

# If a, b, c, and d are consecutive integers and a < b < c < d, what is

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 51035
If a, b, c, and d are consecutive integers and a < b < c < d, what is  [#permalink]

### Show Tags

19 Aug 2018, 08:46
00:00

Difficulty:

15% (low)

Question Stats:

84% (01:21) correct 16% (01:07) wrong based on 31 sessions

### HideShow timer Statistics

If a, b, c, and d are consecutive integers and a < b < c < d, what is the average (arithmetic mean) of a, b, c, and d in terms of d?

(A) $$d - \frac{5}{2}$$

(B) $$d - 2$$

(C) $$d - \frac{3}{2}$$

(D) $$d + \frac{3}{2}$$

(E) $$\frac{4d-6}{7}$$

_________________
Director
Joined: 20 Feb 2015
Posts: 796
Concentration: Strategy, General Management
If a, b, c, and d are consecutive integers and a < b < c < d, what is  [#permalink]

### Show Tags

19 Aug 2018, 09:45
Bunuel wrote:
If a, b, c, and d are consecutive integers and a < b < c < d, what is the average (arithmetic mean) of a, b, c, and d in terms of d?

(A) $$d - \frac{5}{2}$$

(B) $$d - 2$$

(C) $$d - \frac{3}{2}$$

(D) $$d + \frac{3}{2}$$

(E) $$\frac{4d-6}{7}$$

since the integers are consecutive .
in terms of d
we have sum = d + (d-1) + (d-2) + (d-3)

average = $$\frac{(4d-6)}{4}$$

=d-3/2
If a, b, c, and d are consecutive integers and a < b < c < d, what is &nbs [#permalink] 19 Aug 2018, 09:45
Display posts from previous: Sort by