is 0 divisible by all the numbers?? : Quant Question Archive [LOCKED]
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 16 Jan 2017, 03:28

### 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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# is 0 divisible by all the numbers??

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 20 May 2008
Posts: 57
Followers: 2

Kudos [?]: 16 [0], given: 1

is 0 divisible by all the numbers?? [#permalink]

### Show Tags

09 Feb 2009, 23:27
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Is the number x is divisible by 9.
1. The number x can be obtained by taking the difference between a number and
another one obtained by reversing the digits.
2. The sum of the digits of x is divisible by 9.
(A)
(B)
(C)
(D)
(E)

- Vishal
SVP
Joined: 07 Nov 2007
Posts: 1820
Location: New York
Followers: 34

Kudos [?]: 860 [0], given: 5

Re: is 0 divisible by all the numbers?? [#permalink]

### Show Tags

09 Feb 2009, 23:44
LoyalWater wrote:
Is the number x is divisible by 9.
1. The number x can be obtained by taking the difference between a number and
another one obtained by reversing the digits.
2. The sum of the digits of x is divisible by 9.
(A)
(B)
(C)
(D)
(E)

- Vishal

It should be D

1) ab is the number and ba is reverse number

10a+b -( 10b+a)= 9(a-b) clearly divisble by 9
Sufficient

2) say abc is the number

given a+b+c =9k
100a+10b+c = 99a+9b+(a+b+c) = 99a+9b+9k -->clearly divisible by 9

sufficient

D
_________________

Your attitude determines your altitude
Smiling wins more friends than frowning

Re: is 0 divisible by all the numbers??   [#permalink] 09 Feb 2009, 23:44
Display posts from previous: Sort by

# is 0 divisible by all the numbers??

 post reply Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group and phpBB SEO 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®.