It is currently 14 Dec 2017, 05:33

Decision(s) Day!:

CHAT Rooms | Wharton R1 | Stanford R1 | Tuck R1 | Ross R1 | Haas R1


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

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

A man driving a car at a speed of 50 miles/hour on a road parallel to

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

Hide Tags

Senior Manager
Senior Manager
avatar
P
Joined: 27 May 2014
Posts: 320

Kudos [?]: 194 [0], given: 83

GMAT 1: 730 Q49 V41
GMAT ToolKit User Premium Member
A man driving a car at a speed of 50 miles/hour on a road parallel to [#permalink]

Show Tags

New post 18 Oct 2017, 09:44
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

72% (01:20) correct 28% (01:26) wrong based on 43 sessions

HideShow timer Statistics

A man driving a car at a speed of 50 miles/hour on a road parallel to a railway track noticed a train coming from opposite direction. It took 4 seconds for the car to pass the train. If the length of the train was 0.1 miles and the length of the car was negligible, what was the speed of the train?

(a) 40
(b) 60
(c) 70
(d) 80
(e) 90
[Reveal] Spoiler: OA

Kudos [?]: 194 [0], given: 83

Director
Director
avatar
P
Joined: 25 Feb 2013
Posts: 619

Kudos [?]: 308 [0], given: 39

Location: India
GPA: 3.82
GMAT ToolKit User Reviews Badge
A man driving a car at a speed of 50 miles/hour on a road parallel to [#permalink]

Show Tags

New post 18 Oct 2017, 09:48
2
This post was
BOOKMARKED
saswata4s wrote:
A man driving a car at a speed of 50 miles/hour on a road parallel to a railway track noticed a train coming from opposite direction. It took 4 seconds for the car to pass the train. If the length of the train was 0.1 miles and the length of the car was negligible, what was the speed of the train?

(a) 40
(b) 60
(c) 70
(d) 80
(e) 90


Let speed of the train be \(x\). So relative speed \(= 50+x\)

so distance traveled, \((50+x)*\frac{4}{3600}=0.1\) (speed * time = distance)

or \(x=40\)

Option A

Kudos [?]: 308 [0], given: 39

A man driving a car at a speed of 50 miles/hour on a road parallel to   [#permalink] 18 Oct 2017, 09:48
Display posts from previous: Sort by

A man driving a car at a speed of 50 miles/hour on a road parallel to

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


GMAT Club MBA Forum Home| About| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

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

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.