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

 It is currently 26 Apr 2015, 01:52

### 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

# What is the average speed of an automobile as it travels the

Author Message
TAGS:
Manager
Joined: 14 Mar 2007
Posts: 238
Followers: 1

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

What is the average speed of an automobile as it travels the [#permalink]  30 May 2007, 07:13
What is the average speed of an automobile as it travels the 300 miles between city A and city B?

(1) The automobile averages 50 miles per hour for the first three hours.
(2) The automobile averages 45 miles per hour for the last three hours.
Senior Manager
Joined: 11 Jun 2006
Posts: 254
Followers: 3

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

I got (E), together they are not sufficient:

If you take the first statement, you only get info on the first 150 miles... the second statement only give you info on the last 135 miles... since the entire trip covers 300 miles, there are still 15 miles for which we do not know anything about.
VP
Joined: 08 Jun 2005
Posts: 1147
Followers: 6

Kudos [?]: 127 [0], given: 0

baer wrote:
I got (E), together they are not sufficient:

If you take the first statement, you only get info on the first 150 miles... the second statement only give you info on the last 135 miles... since the entire trip covers 300 miles, there are still 15 miles for which we do not know anything about.

Perfect ! I second (E).

Manager
Joined: 14 Mar 2007
Posts: 238
Followers: 1

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

oa is E
Similar topics Replies Last post
Similar
Topics:
1 Automobile A is traveling at two-thirds the speed that Automobile B 2 17 Feb 2015, 09:46
3 A car was initially traveling at an average speed of 48 mile 4 25 Jun 2014, 08:13
40 A boat traveled upstream 90 miles at an average speed of 19 09 Sep 2010, 16:29
12 An express train traveled at an average speed of 100 6 25 Nov 2007, 20:00
What is the average speed of the car in a travel of 180Km 3 17 Jun 2007, 20:40
Display posts from previous: Sort by