GMAT Question of the Day: Daily via email | Daily via Instagram New to GMAT Club? Watch this Video

 It is currently 26 Jan 2020, 07:19

### 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 k is an odd integer, which of the following must be an even integer

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 60646
If k is an odd integer, which of the following must be an even integer  [#permalink]

### Show Tags

28 Oct 2018, 23:45
00:00

Difficulty:

15% (low)

Question Stats:

86% (00:54) correct 14% (00:49) wrong based on 77 sessions

### HideShow timer Statistics

If k is an odd integer, which of the following must be an even integer?

A. $$k^2 – 4$$

B. $$3k + 2$$

C. $$2k + 1$$

D. $$\frac{12k}{8}$$

E. $$\frac{6k}{3}$$

_________________
NUS School Moderator
Joined: 18 Jul 2018
Posts: 1046
Location: India
Concentration: Finance, Marketing
GMAT 1: 590 Q46 V25
GMAT 2: 690 Q49 V34
WE: Engineering (Energy and Utilities)
Re: If k is an odd integer, which of the following must be an even integer  [#permalink]

### Show Tags

28 Oct 2018, 23:49
Option E will be 2k. Which will always be even.

Director
Joined: 06 Jan 2015
Posts: 714
Location: India
Concentration: Operations, Finance
GPA: 3.35
WE: Information Technology (Computer Software)
Re: If k is an odd integer, which of the following must be an even integer  [#permalink]

### Show Tags

28 Oct 2018, 23:49
Bunuel wrote:
If k is an odd integer, which of the following must be an even integer?

A. $$k^2 – 4$$

B. $$3k + 2$$

C. $$2k + 1$$

D. $$\frac{12k}{8}$$

E. $$\frac{6k}{3}$$

$$\frac{6k}{3}$$ ==> 2K Will be always even

Hence E
_________________
आत्मनॊ मोक्षार्थम् जगद्धिताय च

Resource: GMATPrep RCs With Solution
Board of Directors
Status: QA & VA Forum Moderator
Joined: 11 Jun 2011
Posts: 4870
Location: India
GPA: 3.5
Re: If k is an odd integer, which of the following must be an even integer  [#permalink]

### Show Tags

29 Oct 2018, 09:10
Bunuel wrote:
If k is an odd integer, which of the following must be an even integer?

A. $$k^2 – 4$$

B. $$3k + 2$$

C. $$2k + 1$$

D. $$\frac{12k}{8}$$

E. $$\frac{6k}{3}$$

Plug in any value of k and check, let k = 3

(A) 5
(B) 11
(C) 7
(D) 4.5
(E) 6 , Thus Answer must be (E)
_________________
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 )
Manager
Joined: 13 Jun 2012
Posts: 197
Location: United States
WE: Supply Chain Management (Computer Hardware)
Re: If k is an odd integer, which of the following must be an even integer  [#permalink]

### Show Tags

29 Oct 2018, 09:55
Bunuel wrote:
If k is an odd integer, which of the following must be an even integer?

A. $$k^2 – 4$$

B. $$3k + 2$$

C. $$2k + 1$$

D. $$\frac{12k}{8}$$

E. $$\frac{6k}{3}$$

$$\frac{6k}{3}$$ --- Will always be even coz 6k/3 is 2K
Intern
Joined: 20 Sep 2018
Posts: 37
Re: If k is an odd integer, which of the following must be an even integer  [#permalink]

### Show Tags

29 Oct 2018, 17:52
Bunuel wrote:
If k is an odd integer, which of the following must be an even integer?

A. $$k^2 – 4$$

B. $$3k + 2$$

C. $$2k + 1$$

D. $$\frac{12k}{8}$$

E. $$\frac{6k}{3}$$

A, B, C. Always odd
D. Fraction.
E. 2k. Even.

E!
Target Test Prep Representative
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 9142
Location: United States (CA)
Re: If k is an odd integer, which of the following must be an even integer  [#permalink]

### Show Tags

30 Oct 2018, 19:07
Bunuel wrote:
If k is an odd integer, which of the following must be an even integer?

A. $$k^2 – 4$$

B. $$3k + 2$$

C. $$2k + 1$$

D. $$\frac{12k}{8}$$

E. $$\frac{6k}{3}$$

Since 6k/3 = 2k and 2k is a multiple of 2, then it must be even.

_________________

# Scott Woodbury-Stewart

Founder and CEO

Scott@TargetTestPrep.com
181 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.

Re: If k is an odd integer, which of the following must be an even integer   [#permalink] 30 Oct 2018, 19:07
Display posts from previous: Sort by