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

 It is currently 20 Aug 2018, 09:42

### 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

# ps- n is an integer

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Intern
Joined: 07 Sep 2008
Posts: 25
ps- n is an integer  [#permalink]

### Show Tags

06 Oct 2008, 16:10
00:00

Difficulty:

(N/A)

Question Stats:

100% (00:00) correct 0% (00:00) wrong based on 4 sessions

### HideShow timer Statistics

if n is an integer and n=2 x 3 x5 x7 x11 x 13/77k, then which of the following could be the value of k?

a -22
b- 26
c-35
d- 54
e-60

ans: c

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
VP
Joined: 18 May 2008
Posts: 1176
Re: ps- n is an integer  [#permalink]

### Show Tags

06 Oct 2008, 19:00
are u sure OA is C? ans should be 26
andreasonlinegr wrote:
if n is an integer and n=2 x 3 x5 x7 x11 x 13/77k, then which of the following could be the value of k?

a -22
b- 26
c-35
d- 54
e-60

ans: c
Intern
Joined: 12 Sep 2008
Posts: 23
Re: ps- n is an integer  [#permalink]

### Show Tags

06 Oct 2008, 21:04
Since n=2 x 3 x5 x7 x11 x 13/77k, n= (2*3*5*7*11*13)77k
n= 2*3*5*13*77/77k = 2*3*5*13/k
= 390/k.

Therefore, 390 must be divisible by k w/ no remainder to make k an integer.
The only answer choice that can divide 390 w/ no remainder is 26 or -26.
OA is B
Retired Moderator
Joined: 05 Jul 2006
Posts: 1731
Re: ps- n is an integer  [#permalink]

### Show Tags

07 Oct 2008, 04:04
andreasonlinegr wrote:
if n is an integer and n=2 x 3 x5 x7 x11 x 13/77k, then which of the following could be the value of k?

a -22
b- 26
c-35
d- 54
e-60

ans: c

n = 2*3*5*7*11*13/7*11k = 2*3*5*13/k thus k could be (2,3,5,13)x, x is a positive intiger or any combination of the same.

b is definitely the answer
Intern
Joined: 07 Sep 2008
Posts: 25
Re: ps- n is an integer  [#permalink]

### Show Tags

07 Oct 2008, 05:10
thank you all !!! it's my mistake. Answer is B

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: ps- n is an integer &nbs [#permalink] 07 Oct 2008, 05:10
Display posts from previous: Sort by

# ps- n is an integer

 post reply Question banks Downloads My Bookmarks Reviews Important topics

# Events & Promotions

 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®.