Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 23 May 2017, 22:36

### 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

# gmat prep test question number properties????

Author Message
Intern
Joined: 26 Jan 2009
Posts: 23
Schools: University of Toronto, Schulich, Western, Queens
Followers: 0

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

gmat prep test question number properties???? [#permalink]

### Show Tags

06 Apr 2009, 23:32
00:00

Difficulty:

(N/A)

Question Stats:

100% (03:21) 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.

can anyone help me with this one
Attachments

number.jpg [ 15.54 KiB | Viewed 1028 times ]

Senior Manager
Joined: 08 Jan 2009
Posts: 327
Followers: 2

Kudos [?]: 159 [0], given: 5

Re: gmat prep test question number properties???? [#permalink]

### Show Tags

07 Apr 2009, 02:52
a - Number of 7 in the series
b - Number of 77 in the series

7a + 77 b = 350

a + 11b = 50

b= 1 and a = 39 therefor 39 * 7 + 1* 77 = 350 n= 50
b= 2 and a = 28 n= 30
b= 3 and a = 17 n =20

So clearly n =40 is the best choice.
Intern
Joined: 26 Jan 2009
Posts: 23
Schools: University of Toronto, Schulich, Western, Queens
Followers: 0

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

Re: gmat prep test question number properties???? [#permalink]

### Show Tags

07 Apr 2009, 07:15
that was easier than i thought it would be....thanks
Re: gmat prep test question number properties????   [#permalink] 07 Apr 2009, 07:15
Display posts from previous: Sort by