A car travels k kilometers in h hours. How many fewer hours : PS Archive
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 24 Jan 2017, 00:35

### 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

# A car travels k kilometers in h hours. How many fewer hours

Author Message
VP
Joined: 25 Nov 2004
Posts: 1493
Followers: 7

Kudos [?]: 98 [0], given: 0

A car travels k kilometers in h hours. How many fewer hours [#permalink]

### Show Tags

21 Apr 2005, 15:02
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

A car travels k kilometers in h hours. How many fewer hours would it take the car to travel the same distance at an average rate of r kilometers per hour?
Intern
Joined: 17 Mar 2005
Posts: 14
Followers: 0

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

### Show Tags

21 Apr 2005, 17:03
weird question but here goes -

first time taken = h1 at speed r1
second time taken = h2 at speed r.

fewer hours taken should be h2-h1 = h1(r1/r-1)
VP
Joined: 25 Nov 2004
Posts: 1493
Followers: 7

Kudos [?]: 98 [0], given: 0

### Show Tags

22 Apr 2005, 17:36
coolcal wrote:
weird question but here goes -
first time taken = h1 at speed r1
second time taken = h2 at speed r.
fewer hours taken should be h2-h1 = h1(r1/r-1)

Senior Manager
Joined: 21 Mar 2004
Posts: 444
Location: Cary,NC
Followers: 3

Kudos [?]: 68 [0], given: 0

### Show Tags

22 Apr 2005, 19:13
Dist time velocity
1. k t1=h v1
2. k t2 r

time taken is lesser in case 2, so t2<t1

difference in time = t1-t2 = h- (k/r)
_________________

ash
________________________
I'm crossing the bridge.........

VP
Joined: 25 Nov 2004
Posts: 1493
Followers: 7

Kudos [?]: 98 [0], given: 0

### Show Tags

22 Apr 2005, 19:27
ashkg wrote:
Dist time velocity
1. k t1=h v1
2. k t2 r
time taken is lesser in case 2, so t2<t1 difference in time = t1-t2 = h- (k/r)

absolutly correct...........................
Senior Manager
Joined: 19 Feb 2005
Posts: 486
Location: Milan Italy
Followers: 1

Kudos [?]: 23 [0], given: 0

### Show Tags

25 Apr 2005, 09:58
thearch wrote:
time 2 is k/r

I'll take not of this next time.

mmmm...you will not take this or you will take note of this?
25 Apr 2005, 09:58
Display posts from previous: Sort by