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 Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

It appears that you are browsing the GMAT Club forum unregistered!

Signing up is free, quick, and confidential.
Join other 500,000 members and get the full benefits of GMAT Club

Registration gives you:

Tests

Take 11 tests and quizzes from GMAT Club and leading GMAT prep companies such as Manhattan GMAT,
Knewton, and others. All are free for GMAT Club members.

Applicant Stats

View detailed applicant stats such as GPA, GMAT score, work experience, location, application
status, and more

Books/Downloads

Download thousands of study notes,
question collections, GMAT Club’s
Grammar and Math books.
All are free!

Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:

How long did it take Betty to drive nonstop on a trip from [#permalink]

Show Tags

04 Jun 2008, 03:03

2

This post was BOOKMARKED

00:00

A

B

C

D

E

Difficulty:

35% (medium)

Question Stats:

64% (01:54) correct
36% (00:56) wrong based on 219 sessions

HideShow timer Statistics

How long did it take Betty to drive nonstop on a trip from her home to Denver, Colorado?

(1) If Betty's average speed for the trip had been 3/2 times as fast, the trip would have taken 2 hours. (2) Betty's average speed for the trip was 50 miles per hour.

How long did it take Betty to drive nonstop on a trip from her home to Denver Colorado? (1) If Betty's average speed for the trip had been 1.5 times as fast, the trip would have taken 2 hours. (2) Betty's average speed for the trip was 50 miles per hour.

How long did it take Betty to drive nonstop on a trip from her home to Denver Colorado? (1) If Betty's average speed for the trip had been 1.5 times as fast, the trip would have taken 2 hours. (2) Betty's average speed for the trip was 50 miles per hour.

How long did it take Betty to drive nonstop on a trip from her home to Denver Colorado? (1) If Betty's average speed for the trip had been 1.5 times as fast, the trip would have taken 2 hours. (2) Betty's average speed for the trip was 50 miles per hour.

How long did it take Betty to drive nonstop on a trip from her home to Denver Colorado? (1) If Betty's average speed for the trip had been 1.5 times as fast, the trip would have taken 2 hours. (2) Betty's average speed for the trip was 50 miles per hour.

Statement 1 is sufficent Statement 2 is insufficent because only average speed of to and fro is given. there are no indicators on what was the distance or time taken for the trip one way or for round trip

How long did it take Betty to drive nonstop on a trip from her home to Denver Colorado? (1) If Betty's average speed for the trip had been 1.5 times as fast, the trip would have taken 2 hours. (2) Betty's average speed for the trip was 50 miles per hour.

D=Speet*time

D=S*T

1) D=1.5(s)*2

3S=ST, solve for T, T=3 hrs..

B) insuff..

A it is..

Statement 1 says that if Betty' speed has been 1 1/2 times as fast , the trip would have taken 2 hours...

Doesnt it mean Is 'S' was original speed new speed = s + 1 1/2 S = 5/2 S and not 1.5 S????

Last edited by siddhans on 04 Oct 2011, 10:13, edited 1 time in total.

How long did it take Betty to drive nonstop on a trip from her home to Denver Colorado? (1) If Betty's average speed for the trip had been 1.5 times as fast, the trip would have taken 2 hours. (2) Betty's average speed for the trip was 50 miles per hour.

D=Speet*time

D=S*T

1) D=1.5(s)*2

3S=ST, solve for T, T=3 hrs..

B) insuff..

A it is..

Statement 1 says that if Betty' speed has been 1 1/2 times as fast , the trip would have taken 2 hours...

Doesnt it mean Is 'S' was original speed new speed = s + 1 1/2 S = 5/2 S and not 1.5 S????

How long did it take Betty to drive nonstop on a trip from her home to Denver Colorado? (1) If Betty's average speed for the trip had been 1.5 times as fast, the trip would have taken 2 hours. (2) Betty's average speed for the trip was 50 miles per hour.

You can also use ratios.

1.5 times as fast means that if Betty's speed was 2s actually, 1.5 times would mean 3s. The ratio of actual speed : hypothetical (increased) speed = 2:3 Therefore, ratio of actual time : hypothetical time = 3:2 (because time is inversely proportional to speed)

The hypothetical time has been given to be 2 hrs. So the actual time must be 3 hrs.
_________________

Re: How long did it take Betty to drive nonstop on a trip from [#permalink]

Show Tags

02 Apr 2014, 03:40

Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________

Its been long time coming. I have always been passionate about poetry. It’s my way of expressing my feelings and emotions. And i feel a person can convey...

Written by Scottish historian Niall Ferguson , the book is subtitled “A Financial History of the World”. There is also a long documentary of the same name that the...

Post-MBA I became very intrigued by how senior leaders navigated their career progression. It was also at this time that I realized I learned nothing about this during my...