GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 07 Dec 2019, 02:51

Close

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
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.

Close

Request Expert Reply

Confirm Cancel

Mrs. Jordan visited a certain city. She travelled the entire distance

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Director
Director
avatar
V
Joined: 18 Feb 2019
Posts: 603
Location: India
GMAT 1: 460 Q42 V13
GPA: 3.6
Mrs. Jordan visited a certain city. She travelled the entire distance  [#permalink]

Show Tags

New post 01 Mar 2019, 00:52
2
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

71% (02:23) correct 29% (02:29) wrong based on 35 sessions

HideShow timer Statistics

Mrs. Jordan visited a certain city. She traveled the entire distance at an average speed of 45km per hour. If 2/3 of the total distance was traveled at an average speed of 50km per hour, what was the average speed for the remaining distance?

A. 12.5km/hr
B. 25km/hr
C. 37.5km/hr
D. 40km/hr
E. 55km/hr
Manager
Manager
avatar
G
Joined: 12 Apr 2011
Posts: 149
Location: United Arab Emirates
Concentration: Strategy, Marketing
Schools: CBS '21, Yale '21, INSEAD
GMAT 1: 670 Q50 V31
GMAT 2: 720 Q50 V37
WE: Marketing (Telecommunications)
Re: Mrs. Jordan visited a certain city. She travelled the entire distance  [#permalink]

Show Tags

New post 01 Mar 2019, 03:10
2
kiran120680 wrote:
Mrs. Jordan visited a certain city. She traveled the entire distance at an average speed of 45km per hour. If 2/3 of the total distance was traveled at an average speed of 50km per hour, what was the average speed for the remaining distance?

A. 12.5km/hr
B. 25km/hr
C. 37.5km/hr
D. 40km/hr
E. 55km/hr


S = \(\frac{D}{T}\)
=> 45 = \(\frac{x}{(T1+T2)}\)
=> T1+T2 = \(\frac{x}{45}\)

Now from the question we kow:
T1= ((2x/3)/50) = x/75
&
T2 = ((x/3)/y) = x/3y

=> (x/75) + (x/3y) = (x/45)
=> (1/3y) = (1/45) - (1/75)

Solving for y we get
y = 37.5

Hence C is the correct answer.
GMAT Club Bot
Re: Mrs. Jordan visited a certain city. She travelled the entire distance   [#permalink] 01 Mar 2019, 03:10
Display posts from previous: Sort by

Mrs. Jordan visited a certain city. She travelled the entire distance

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  





Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne