A phone company is creating new, 7-digit phone numbers for a : PS Archive
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 22 Jan 2017, 15:33

### 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

# A phone company is creating new, 7-digit phone numbers for a

Author Message
Current Student
Joined: 29 Jan 2005
Posts: 5238
Followers: 25

Kudos [?]: 378 [0], given: 0

A phone company is creating new, 7-digit phone numbers for a [#permalink]

### Show Tags

07 Oct 2005, 07:44
00:00

Difficulty:

(N/A)

Question Stats:

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

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

A phone company is creating new, 7-digit phone numbers for a large corporation that just moved to town. The first three digits of each phone number are 312. The last four digits must contain a 1, 3, 5, 6, 7, or 9. If each number (1, 3, 5, 6, 7, or 9) is used only once, how many different phone numbers are possible?

A. 320
B. 360
C. 180
D. 120
E. 440
Manager
Joined: 28 Jun 2005
Posts: 66
Location: New York, NY
Followers: 1

Kudos [?]: 2 [0], given: 0

### Show Tags

07 Oct 2005, 08:16
B

I used the same method as chets

(6)(5)(4)(3) = 360
07 Oct 2005, 08:16
Display posts from previous: Sort by