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

It is currently 05 Dec 2019, 09:45

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 the set of measurements 3, x2, x3, what is the value of x3 ? (1) T

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Senior RC Moderator
User avatar
V
Joined: 02 Nov 2016
Posts: 4554
GPA: 3.39
For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T  [#permalink]

Show Tags

New post 18 Feb 2019, 11:55
1
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

51% (01:15) correct 49% (01:42) wrong based on 34 sessions

HideShow timer Statistics

For the set of measurements 3, \(x^2\), \(x^3\), what is the value of \(x^3\)?

(1) The range of the set of measurements is 0.
(2) The standard deviation of the set of measurements is 0.

_________________
GMAT Club Legend
GMAT Club Legend
User avatar
V
Joined: 18 Aug 2017
Posts: 5428
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
GMAT ToolKit User Premium Member CAT Tests
Re: For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T  [#permalink]

Show Tags

New post 19 Feb 2019, 00:49
SajjadAhmad wrote:
For the set of measurements 3, x2, x3, what is the value of x3 ?

(1) The range of the set of measurements is 0.
(2) The standard deviation of the set of measurements is 0.



SajjadAhmad
is question
3, x^2, x^3 or 3,x*2,x*2 ?
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 59561
Re: For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T  [#permalink]

Show Tags

New post 19 Feb 2019, 00:56
1
Archit3110 wrote:
SajjadAhmad wrote:
For the set of measurements 3, x2, x3, what is the value of x3 ?

(1) The range of the set of measurements is 0.
(2) The standard deviation of the set of measurements is 0.



SajjadAhmad
is question
3, x^2, x^3 or 3,x*2,x*2 ?


Yes, suppose that's the case. Edited. Thank you.
GMAT Club Legend
GMAT Club Legend
User avatar
V
Joined: 18 Aug 2017
Posts: 5428
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
GMAT ToolKit User Premium Member CAT Tests
Re: For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T  [#permalink]

Show Tags

New post 19 Feb 2019, 01:13
SajjadAhmad wrote:
For the set of measurements 3, x^2, x^3, what is the value of x^3 ?

(1) The range of the set of measurements is 0.
(2) The standard deviation of the set of measurements is 0.


GMATinsight :
not able to understand #1 3,x^2,x^3 has a range of 0 ?
i tried substituting value of x as fraction and integer ; not able to solve.. :(
CEO
CEO
User avatar
D
Status: GMATINSIGHT Tutor
Joined: 08 Jul 2010
Posts: 2977
Location: India
GMAT: INSIGHT
Schools: Darden '21
WE: Education (Education)
Reviews Badge
Re: For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T  [#permalink]

Show Tags

New post 19 Feb 2019, 01:46
Archit3110 wrote:
SajjadAhmad wrote:
For the set of measurements 3, x^2, x^3, what is the value of x^3 ?

(1) The range of the set of measurements is 0.
(2) The standard deviation of the set of measurements is 0.


GMATinsight :
not able to understand #1 3,x^2,x^3 has a range of 0 ?
i tried substituting value of x as fraction and integer ; not able to solve.. :(


Archit3110

For Set {\(3, x^2, x^3\)} to have Range = 0, All the values of the set must be same

i.e. \(x^2 = x^3 = 3\)

Which is not possible for any value of x so I am suret here is some mistake in the question

If the set were {1, x^2, x^3} then it's possible for x = 1
_________________
Prosper!!!
GMATinsight
Bhoopendra Singh and Dr.Sushma Jha
e-mail: info@GMATinsight.com I Call us : +91-9999687183 / 9891333772
Online One-on-One Skype based classes and Classroom Coaching in South and West Delhi
http://www.GMATinsight.com/testimonials.html

ACCESS FREE GMAT TESTS HERE:22 ONLINE FREE (FULL LENGTH) GMAT CAT (PRACTICE TESTS) LINK COLLECTION
GMAT Club Bot
Re: For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T   [#permalink] 19 Feb 2019, 01:46
Display posts from previous: Sort by

For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T

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





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