Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 23 May 2017, 11:57

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 June
Open Detailed Calendar

Is B an integer? (1) B^3 is an integer

Author Message
TAGS:

Hide Tags

Director
Joined: 07 Jun 2004
Posts: 612
Location: PA
Followers: 7

Kudos [?]: 792 [2] , given: 22

Is B an integer? (1) B^3 is an integer [#permalink]

Show Tags

04 Feb 2012, 18:29
2
KUDOS
2
This post was
BOOKMARKED
00:00

Difficulty:

35% (medium)

Question Stats:

62% (01:39) correct 38% (00:48) wrong based on 160 sessions

HideShow timer Statistics

Is B an integer?

(1) B^3 is an integer
(2) B^(1/3) is an integer
[Reveal] Spoiler: OA

_________________

If the Q jogged your mind do Kudos me : )

Last edited by Bunuel on 04 Feb 2012, 18:35, edited 1 time in total.
Edited the question
Math Expert
Joined: 02 Sep 2009
Posts: 38828
Followers: 7718

Kudos [?]: 105909 [1] , given: 11593

Show Tags

04 Feb 2012, 18:33
1
KUDOS
Expert's post
2
This post was
BOOKMARKED
Is B an integer?

(1) B^3 is an integer --> B certainly can be an integer but it also can be cube root of an integer, for istance $$\sqrt[3]{5}$$ or$$\sqrt[3]{7}$$. Not sufficient.

(2) (B) ^ 1/3 is an integer --> $$\sqrt[3]{B}=integer$$ --> $$B=integer^3=integer$$. Sufficient.

_________________
GMAT Club Legend
Joined: 09 Sep 2013
Posts: 15406
Followers: 648

Kudos [?]: 204 [0], given: 0

Re: Is B an integer? (1) B^3 is an integer [#permalink]

Show Tags

16 Apr 2015, 03:02
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
GMAT Club Legend
Joined: 09 Sep 2013
Posts: 15406
Followers: 648

Kudos [?]: 204 [0], given: 0

Re: Is B an integer? (1) B^3 is an integer [#permalink]

Show Tags

20 Jun 2016, 22:41
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
Re: Is B an integer? (1) B^3 is an integer   [#permalink] 20 Jun 2016, 22:41
Similar topics Replies Last post
Similar
Topics:
1 If a, b, c and n are positive integers and m=a4b3cn, how many factors 2 23 Mar 2017, 14:32
3 If a, b, x, y, and z are nonnegative integers and 2^a – 2^b = (3^x)(2^ 1 25 Apr 2016, 06:07
76 If a, b and n are positive integers such that n = 3a – b3 19 23 Apr 2017, 23:24
9 Is b/3 an integer? 14 14 Jul 2016, 01:01
2 Are a and b integers? (1) a/b is an integer 2 29 Jan 2016, 06:01
Display posts from previous: Sort by