Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 06 May 2015, 12:26

### 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

# gmatprep ds

Author Message
TAGS:
Current Student
Joined: 31 Aug 2007
Posts: 371
Followers: 1

Kudos [?]: 54 [0], given: 1

gmatprep ds [#permalink]  06 Nov 2007, 14:57
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
in terms of a sequence t1, t2, t3...tn, what is the value of n?

1-the sum of n terms is 3,124
2-the mean of the n terms is 4
VP
Joined: 09 Jul 2007
Posts: 1108
Location: London
Followers: 6

Kudos [?]: 74 [0], given: 0

Re: gmatprep ds [#permalink]  06 Nov 2007, 15:03
young_gun wrote:
in terms of a sequence t1, t2, t3...tn, what is the value of n?

1-the sum of n terms is 3,124
2-the mean of the n terms is 4

C

1. insuff. t1+t2+t3+...+tn=3124
2. insuff. only the average is given.

combined

3124/n=4
n=3124/4
n=782
Current Student
Joined: 31 Aug 2007
Posts: 371
Followers: 1

Kudos [?]: 54 [0], given: 1

Re: gmatprep ds [#permalink]  06 Nov 2007, 15:35
Ravshonbek wrote:
young_gun wrote:
in terms of a sequence t1, t2, t3...tn, what is the value of n?

1-the sum of n terms is 3,124
2-the mean of the n terms is 4

C

1. insuff. t1+t2+t3+...+tn=3124
2. insuff. only the average is given.

combined

3124/n=4
n=3124/4
n=782

oh maaaan, i did not realize how simple this problem was when i was actually doing it....thanks Rav
Re: gmatprep ds   [#permalink] 06 Nov 2007, 15:35
Similar topics Replies Last post
Similar
Topics:
GMATPrep - DS 6 10 Aug 2006, 14:02
GMATPREP DS 1 03 Aug 2006, 22:36
GMATPrep - DS 4 29 Jul 2006, 15:52
DS : Gmatprep 12 17 Jul 2006, 12:34
GMATPREP DS 5 30 May 2006, 16:22
Display posts from previous: Sort by