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

It is currently 19 Aug 2018, 12:16

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

What is the value of the two digit number x ? (1) The sum of two digi

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

Hide Tags

Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 48037
What is the value of the two digit number x ? (1) The sum of two digi  [#permalink]

Show Tags

New post 15 Jul 2018, 21:22
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

50% (00:43) correct 50% (00:51) wrong based on 41 sessions

HideShow timer Statistics

RC Moderator
User avatar
G
Status: Perfecting myself for GMAT
Joined: 22 May 2017
Posts: 440
Concentration: Nonprofit
Schools: Haas '21
GPA: 4
WE: Engineering (Computer Software)
GMAT ToolKit User Premium Member CAT Tests
What is the value of the two digit number x ? (1) The sum of two digi  [#permalink]

Show Tags

New post 15 Jul 2018, 21:46
To the value of the two digit number x

Let x = ab where a represents the tens digit and b represents the units digit

x is a two digit number = > a \(\neq\) 0

Statement 1

The sum of two digits is 4.

=> a + b = 4

'x' can be 13 or 22, 40 or 31

Statement 1 is not sufficient

Statement 2

The difference between the two digits is 2 => |a-b| = 2

=> 'x' can be 53 or 35 or 97 etc

Statement 2 is not sufficient

Combining statements 1 and 2

From statement 1 we have possible values of 'x' 13 or 22, 40 or 31

=> 'x' can be 13 or 31

Statement 1 and 2 together are insufficient

Hence option E
_________________

If you like my post press kudos +1

New - RC Butler - 2 RC's everyday

Tag me in RC questions if you need help. Please provide your analysis of the question in the post along with the tag.

Director
Director
User avatar
G
Status: Learning stage
Joined: 01 Oct 2017
Posts: 526
WE: Supply Chain Management (Energy and Utilities)
Premium Member CAT Tests
Re: What is the value of the two digit number x ? (1) The sum of two digi  [#permalink]

Show Tags

New post 16 Jul 2018, 01:01
Bunuel wrote:
What is the value of the two digit number x ?

(1) The sum of two digits is 4.

(2) The difference between the two digits is 2.


Statement-1:-
Possible cased of two digits numbers x:- 13, 22, 31, and 40.
Insufficient.

Statement-2:-
Possible cased of two digits numbers x:- 13, 31,24,42,35,53 etc. (Tens digit-units digit=2 or Units digit-Tens digit=2)
Insufficient.

(1)+(2),
Possible cases: 13 & 31.
We have obtained more than one values of x.
Insufficient.

Ans. (E)
_________________

Regards,

PKN

Rise above the storm, you will find the sunshine

Re: What is the value of the two digit number x ? (1) The sum of two digi &nbs [#permalink] 16 Jul 2018, 01:01
Display posts from previous: Sort by

What is the value of the two digit number x ? (1) The sum of two digi

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

Events & Promotions

PREV
NEXT


GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| GMAT Club Rules| Contact| Sitemap

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

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.