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

 It is currently 26 May 2017, 04:37

# TODAY:

### 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

# Phobus one of the satelites of Mars evolves about Mars at a

Author Message
Intern
Joined: 11 May 2004
Posts: 46
Location: USA
Followers: 0

Kudos [?]: 4 [0], given: 0

Phobus one of the satelites of Mars evolves about Mars at a [#permalink]

### Show Tags

25 Jun 2006, 17:27
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Phobus one of the satelites of Mars evolves about Mars at a daistance of approximately 5800 miles from the center of mars and approximately 3700 miles from surface of mars. If it is assumed that Mars is spherical and the orbit of Phobus is circular, what is the approximate circumference in miles of Mars at its equator

A. 2100 pie
B 4200 pie
C 7400 pie
D 9500 pie
E 190,000 pie
Director
Joined: 16 Aug 2005
Posts: 940
Location: France
Followers: 1

Kudos [?]: 23 [0], given: 0

### Show Tags

25 Jun 2006, 17:34
GMATCUBS21 wrote:
Phobus one of the satelites of Mars evolves about Mars at a daistance of approximately 5800 miles from the center of mars and approximately 3700 miles from surface of mars. If it is assumed that Mars is spherical and the orbit of Phobus is circular, what is the approximate circumference in miles of Mars at its equator

A. 2100 pie
B 4200 pie
C 7400 pie
D 9500 pie
E 190,000 pie

2 x pi x (5800-3700) = B
_________________

I believe its yogurt!

Manager
Joined: 29 Sep 2005
Posts: 125
Followers: 1

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

### Show Tags

26 Jun 2006, 13:10
= 2100

Circum = 2pi2100--->4200pi
Senior Manager
Joined: 07 Jul 2005
Posts: 404
Location: Sunnyvale, CA
Followers: 2

Kudos [?]: 13 [0], given: 0

### Show Tags

26 Jun 2006, 15:52
another one for (B)
r = 2100
circumfrence = 2pi(r) = 4200pi = (B)
Director
Joined: 06 May 2006
Posts: 791
Followers: 3

Kudos [?]: 34 [0], given: 2

### Show Tags

26 Jun 2006, 15:58
2 * pi * (5800 - 3700) = 4200 * pi (B)
_________________

Uh uh. I know what you're thinking. "Is the answer A, B, C, D or E?" Well to tell you the truth in all this excitement I kinda lost track myself. But you've gotta ask yourself one question: "Do I feel lucky?" Well, do ya, punk?

VP
Joined: 02 Jun 2006
Posts: 1261
Followers: 2

Kudos [?]: 87 [0], given: 0

### Show Tags

26 Jun 2006, 17:54
B. (5100-3700) x 2 x pi = 4200 x pi
26 Jun 2006, 17:54
Display posts from previous: Sort by

# Phobus one of the satelites of Mars evolves about Mars at a

 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®.