GMAT Question of the Day: Speed and Distance

A certain river has current of 3 miles per hour. A boat takes twice as long to travel upstream between two points as it does to travel downstream between the same two points. What is the speed of the boat in still water ?

A) 3 miles per hours
B) 6 miles per hours
C) 9 miles per hours
D) 12 miles per hours
E) The speed cannot be determined from the given ingformation

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Take GMAT Team tagged this post with: GMAT Quantitative Descrete Questions, GMAT Question of the Day Read 1234 articles by Take GMAT Team

1. Krishna Mohan says:

   June 27, 2006 at 8:40 pm

   My choice is C. 9 miles per hour.
2. Anonymus says:

   June 27, 2006 at 9:28 pm

   c. 9 Miles per hour
3. Marcelo Tamassia says:

   June 28, 2006 at 1:39 am

   C: x + 3 = 2(x – 3) -> X = 9
4. Take GMAT Team says:

   June 29, 2006 at 5:54 pm

   Correct answer is C.
5. Chiranjib says:

   April 2, 2007 at 3:40 pm

   C
6. pal says:

   April 2, 2007 at 3:44 pm

   C
7. Valmik says:

   April 3, 2007 at 12:12 am

   C) 9 miles per hours
8. Nrip Nihalani says:

   April 6, 2007 at 9:00 pm

   C
9. aryan says:

   March 7, 2010 at 10:33 pm

   C…
10. binita says:

    April 23, 2010 at 4:02 pm

    C
11. Joe says:

    April 27, 2010 at 11:12 pm

    C…
12. Ovace says:

    June 11, 2010 at 5:19 pm

    Can any one give me step by step explanation of how u moved towards correct answer