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

It is currently 27 Jan 2020, 17:38

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

For how many integers x is 3^x = x^3 ?

  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: 12 Feb 2015
Posts: 1015
For how many integers x is 3^x = x^3 ?  [#permalink]

Show Tags

New post 07 Dec 2019, 03:41
1
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

64% (01:14) correct 36% (01:01) wrong based on 41 sessions

HideShow timer Statistics

For how many integers \(x\) is \(3^x\) = \(x^3\)?

A) None
B) One
C) Two
D) Three
E) More than three

_________________
________________
Manish :geek:

"Only I can change my life. No one can do it for me"
Senior Manager
Senior Manager
avatar
G
Joined: 28 Feb 2014
Posts: 280
Location: India
Concentration: General Management, International Business
GMAT 1: 570 Q49 V20
GPA: 3.97
WE: Engineering (Education)
Re: For how many integers x is 3^x = x^3 ?  [#permalink]

Show Tags

New post 07 Dec 2019, 05:15
CAMANISHPARMAR wrote:
For how many integers \(x\) is \(3^x\) = \(x^3\)?

A) None
B) One
C) Two
D) Three
E) More than three

only possible case x=3

IMO B
Intern
Intern
avatar
B
Joined: 12 Oct 2019
Posts: 9
Re: For how many integers x is 3^x = x^3 ?  [#permalink]

Show Tags

New post 08 Dec 2019, 00:24
2 cases are possible
0 and 3

Posted from my mobile device
VP
VP
User avatar
V
Joined: 12 Feb 2015
Posts: 1015
Re: For how many integers x is 3^x = x^3 ?  [#permalink]

Show Tags

New post 08 Dec 2019, 02:39
Psyllium9 wrote:
2 cases are possible
0 and 3

Posted from my mobile device




If \(x\) = 0 then after substituting for x we get on the L.H.S "one" (i.e. for \(3^x\)) which is not equal to "zero" (i.e. for \(x^3\))

Hence \(x\) = 0 is not possible
_________________
________________
Manish :geek:

"Only I can change my life. No one can do it for me"
GMAT Club Bot
Re: For how many integers x is 3^x = x^3 ?   [#permalink] 08 Dec 2019, 02:39
Display posts from previous: Sort by

For how many integers x is 3^x = x^3 ?

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





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