Find all School-related info fast with the new School-Specific MBA Forum
Learn more about the recent changes... close

It is currently 17 Jun 2013, 23:51
Customize  |  Hide

Search
Register
New posts
Unanswered

I row upstream 36 km and back again to the starting point in

  Question banks Downloads My Bookmarks Reviews  
  Oldest Best Reply
Search for:
 
Print view
First unread post
Author Message
TAGS:
Senior Manager
Senior Manager
User avatar
Joined: 30 Aug 2003
Posts: 335
Location: BACARDIVILLE
Followers: 1

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

GMAT Tests User
I row upstream 36 km and back again to the starting point in [#permalink] New post 16 Jan 2004, 16:40
I row upstream 36 km and back again to the starting point in 5 hours. If the speed of the stream is 3 km/hr, what is the speed of the boat in still water?

a. 30 kms
b. 7.5 kms
c. 15 kms
d. 22.5 kms
e. 18.5 kms
_________________

Pls include reasoning along with all answer posts.
****GMAT Loco****
Este examen me conduce jodiendo loco

Manager
Manager
User avatar
Joined: 26 Dec 2003
Posts: 238
Location: India
Followers: 1

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

GMAT Tests User
 [#permalink] New post 16 Jan 2004, 16:52
C, 15 kmph. Let the speed of the boat be x kmph then upstream will be (x-3) and downstream will be (x+3) so 36/(x-3) + 36/(x+3) = 5 we get the equation 5x^2 - 72x - 45 =0 solve for x we get 15 kmph
  [#permalink] 16 Jan 2004, 16:52
    Similar topics Author Replies Last post
Similar
Topics:
 Popular new posts 1 Experts publish their posts in the topic A man can row 50 km upstream and 72 km downstream in 9 wonder_gmat 12 23 Nov 2003, 08:36
New posts A man can row 50 km upstream and 72 km downstream in 9 christoph 2 03 May 2005, 06:06
Popular new posts YEs, it is back again. I found this in teh 1000 SC doc, but mailtheguru 18 05 Aug 2006, 10:26
Popular new posts 4 Experts publish their posts in the topic Points A and B are 120 km apart. A motorcyclist starts from einstein10 14 17 Apr 2010, 09:13
New posts Experts publish their posts in the topic Two highways start from a point P and meet again... mynhauzen 3 13 Feb 2013, 23:56
Display posts from previous: Sort by

I row upstream 36 km and back again to the starting point in

  Question banks Downloads My Bookmarks Reviews  
Print view
First unread post

Moderators: VeritasPrepKarishma, Bunuel

Search for:


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

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®.

Main navigation

GMAT Resources

Partners

MBA Resources

www.gmac.com|www.mba.com