GMAT Question of the Day: Daily via email | Daily via Instagram New to GMAT Club? Watch this Video

 It is currently 03 Aug 2020, 13:23

### 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

# How many minutes does it take to travel 120 miles at 400 mil

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 65764
How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

05 Jan 2014, 12:07
1
3
00:00

Difficulty:

5% (low)

Question Stats:

88% (01:00) correct 12% (01:04) wrong based on 855 sessions

### HideShow timer Statistics

The Official Guide For GMAT® Quantitative Review, 2ND Edition

How many minutes does it take to travel 120 miles at 400 miles per hour?

(A) 3
(B) 3 1/3
(C) 8 2/3
(D) 12
(E) 18

Problem Solving
Question: 23
Category: Arithmetic Operations on rational numbers
Page: 64
Difficulty: 500

GMAT Club is introducing a new project: The Official Guide For GMAT® Quantitative Review, 2ND Edition - Quantitative Questions Project

Each week we'll be posting several questions from The Official Guide For GMAT® Quantitative Review, 2ND Edition and then after couple of days we'll provide Official Answer (OA) to them along with a slution.

We'll be glad if you participate in development of this project:
2. Please vote for the best solutions by pressing Kudos button;
3. Please vote for the questions themselves by pressing Kudos button;
4. Please share your views on difficulty level of the questions, so that we have most precise evaluation.

Thank you!

_________________
Math Expert
Joined: 02 Sep 2009
Posts: 65764
Re: How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

05 Jan 2014, 12:08
1
2
SOLUTION

How many minutes does it take to travel 120 miles at 400 miles per hour?

(A) 3
(B) 3 1/3
(C) 8 2/3
(D) 12
(E) 18

(Time) = (Distance)/(Rate) = 120/400 = 3/10 hours = 3/10*60 minutes = 18 minutes.

_________________
Manager
Status: GMATting
Joined: 21 Mar 2011
Posts: 105
Concentration: Strategy, Technology
GMAT 1: 590 Q45 V27
Re: How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

05 Jan 2014, 20:26
1
Distance, D = 120 miles;
Rate, R = 400miles/hr;

Time, T = D/R = (120/400) hours = 0.3 hours;

The question asks us the answer in minutes; Therefore, 0.3 * 60 mins = 18 mins;

Intern
Joined: 10 May 2010
Posts: 5
Re: How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

Updated on: 06 Jan 2014, 07:55
2
When working on a rate question (one involving distance or work) remember to always jot down the formula - Distance = speed*time. Also make sure to be aware of the units used and the possible need for conversion.

The rate is given in miles/hour, but we are looking for an answer in miles/minute

D=S*T
120 miles = 400 miles/hr * 1 hr/60 min * T
120 miles = 20 miles/3 mins * T
120 miles * 3 mins/20 miles = T
18 minutes = t Answer Choice E

Remember you can save time on this problem by calculating in fewer steps; I described every step to give a comprehensive view to students of all different levels. Remember that you have approximately 2 minutes to solve a GMAT Quantitative Question (you need to answer every question in the section), so whenever you can save time please do

Originally posted by Cbri on 06 Jan 2014, 07:45.
Last edited by Cbri on 06 Jan 2014, 07:55, edited 2 times in total.
Director
Joined: 03 Feb 2013
Posts: 838
Location: India
Concentration: Operations, Strategy
GMAT 1: 760 Q49 V44
GPA: 3.88
WE: Engineering (Computer Software)
Re: How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

06 Jan 2014, 07:50
Bunuel wrote:
The Official Guide For GMAT® Quantitative Review, 2ND Edition

How many minutes does it take to travel 120 miles at 400 miles per hour?

(A) 3
(B) 3 1/3
(C) 8 2/3
(D) 12
(E) 18

Difficulty level : sub 500 (not even required to calculate).

120/400 * 60 = 18 mins - Option E)
Manager
Joined: 20 Dec 2013
Posts: 218
Location: India
Re: How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

06 Jan 2014, 22:52
400 miles=1 hr or 60 min.
1 mile=6/40 min.
120 miles=6/40*120=18 min.
Ans:E
Senior Manager
Joined: 12 Aug 2015
Posts: 277
Concentration: General Management, Operations
GMAT 1: 640 Q40 V37
GMAT 2: 650 Q43 V36
GMAT 3: 600 Q47 V27
GPA: 3.3
WE: Management Consulting (Consulting)
Re: How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

18 Jan 2016, 23:46
1
it takes 15 min to make 100 miles, so we cut-off 4 choices.
Manager
Joined: 21 Sep 2015
Posts: 84
Location: India
GMAT 1: 730 Q48 V42
GMAT 2: 750 Q50 V41
How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

Updated on: 15 Jun 2016, 03:38
(120/400)*60 = 18 mins

Originally posted by rishi02 on 15 Jun 2016, 03:06.
Last edited by rishi02 on 15 Jun 2016, 03:38, edited 1 time in total.
Manager
Joined: 18 Jan 2010
Posts: 236
Re: How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

15 Jun 2016, 03:22
Bunuel wrote:
The Official Guide For GMAT® Quantitative Review, 2ND Edition

How many minutes does it take to travel 120 miles at 400 miles per hour?

(A) 3
(B) 3 1/3
(C) 8 2/3
(D) 12
(E) 18

Time = \frac{Distance}{Speed}

Time = \frac{120}{400} Hours. (Note the units)
For getting answers in minute, multiply it by 60 (1 hour = 60 minute)
= 18 minutes

Non-Human User
Joined: 09 Sep 2013
Posts: 15596
Re: How many minutes does it take to travel 120 miles at 400 mil  [#permalink]

### Show Tags

30 Mar 2020, 10:25
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.
_________________
Re: How many minutes does it take to travel 120 miles at 400 mil   [#permalink] 30 Mar 2020, 10:25