It is currently 18 Nov 2017, 03:41

### 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 0 divisible by all the numbers??

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 20 May 2008
Posts: 55

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

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

### Show Tags

10 Feb 2009, 00:27
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

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

SVP
Joined: 07 Nov 2007
Posts: 1791

Kudos [?]: 1088 [0], given: 5

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

### Show Tags

10 Feb 2009, 00:44
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
_________________

Smiling wins more friends than frowning

Kudos [?]: 1088 [0], given: 5

Re: is 0 divisible by all the numbers??   [#permalink] 10 Feb 2009, 00:44
Display posts from previous: Sort by

# is 0 divisible by all the numbers??

 post reply Question banks Downloads My Bookmarks Reviews Important topics

Moderator: chetan2u

 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®.