The numbers in which of the following pairs do NOT have a : Quant Question Archive [LOCKED]
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 18 Jan 2017, 06:49

### 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

# The numbers in which of the following pairs do NOT have a

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 14 Dec 2005
Posts: 74
Followers: 1

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

The numbers in which of the following pairs do NOT have a [#permalink]

### Show Tags

26 Feb 2006, 09:42
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

The numbers in which of the following pairs do NOT have a pair of
distinct prime divisors in common ?
(A) 10 and 20
(B) 12 and 18
(C) 24 and 32
(D) 21 and 63
(E) 22 and 88
Intern
Joined: 08 Jan 2006
Posts: 27
Followers: 0

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

Re: Problem Solving Help [#permalink]

### Show Tags

26 Feb 2006, 10:08
Avis wrote:
The numbers in which of the following pairs do NOT have a pair of
distinct prime divisors in common ?
(A) 10 and 20
(B) 12 and 18
(C) 24 and 32
(D) 21 and 63
(E) 22 and 88

C.

a) 10=5*2 and 20=5*2*2. 5 and 2 common
b) 12=3*2*2 and 18=3*2*3. 3 and 2 common
c) 24=2*2*2*3 and 32=2*2*2*2*2. Only 2 common. 3 is not!
d) 21=7*3 and 63=7*3*3. 7 and 3 common
e) 22=11*2 and 88=11*2*2*2. 11 and 2 common.
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5062
Location: Singapore
Followers: 30

Kudos [?]: 357 [0], given: 0

### Show Tags

26 Feb 2006, 18:08
(A) 10 and 20 --> Out. 2,5 are distinct pairs
(B) 12 and 18 --> Out. 2,3 are distinct pairs
(C) 24 and 32 --> ??
(D) 21 and 63 --> Out. 3,7 are distinct pairs
(E) 22 and 88 --> Out. 3,11 are distinct pairs

Ans C
26 Feb 2006, 18:08
Display posts from previous: Sort by

# The numbers in which of the following pairs do NOT have a

 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®.