Events & Promotions
|
|
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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Apr 2512:30 AM EDT
-01:30 AM EDT
At one point, she believed GMAT wasn’t for her. After scoring 595, self-doubt crept in and she questioned her potential. But instead of quitting, she made the right strategic changes. The result? A remarkable comeback to 695. Check out how Saakshi did it.
Apr 2610:00 AM EDT
-11:00 AM EDT
The Target Test Prep course represents a quantum leap forward in GMAT preparation, a radical reinterpretation of the way that students should study. Try before you buy with a 5-day, full-access trial of the course for FREE!
Apr 2711:00 AM EDT
-12:00 PM EDT
Prefer video-based learning? The Target Test Prep OnDemand course is a one-of-a-kind video masterclass featuring 400 hours of lecture-style teaching by Scott Woodbury-Stewart, founder of Target Test Prep and one of the most accomplished GMAT instructors
Apr 2808:00 AM PDT
-11:00 AM PDT
Whether you are just beginning your MBA journey or fine-tuning your path to a 700+ score, GMAT Day is designed to give you a competitive edge.
indu1954
Joined: 02 Nov 2017
Last visit: 23 Feb 2020
Posts: 29
Given Kudos: 22
Location: India
Schools: UVA Darden Tepper Babson '21 Johnson '21 Rotman '21 Booth '22
GPA: 3.87
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
65% (01:36) correct
35%
(01:50)
wrong
based on 195
sessions
History
Date
Time
Result
Not Attempted Yet
Mary goes from her house to the library at a constant speed rate of 40 miles per hour and come back from the library to her house at a constant rate of 45 miles per hour along the same route. What is the distance of the route?
(1) The difference between the round trip’s times taken is 2 minutes
(2) The total amount of minutes for the round trip taken is 34 minutes
(1) The difference between the round trip’s times taken is 2 minutes
(2) The total amount of minutes for the round trip taken is 34 minutes
23 Feb 2019, 00:37
Kudos
Bookmarks
OA:D
Let the distance between Mary's Home and Library be \(x\).
\(Average Speed_{(Home ->Library)} = 40\) miles per hour
\(Average Speed_{(Library ->Home)} = 45\) miles per hour
(1) The difference between the round trip’s times taken is 2 minutes
i.e \(\frac{x}{Average Speed_{(Home ->Library)}} - \frac{x}{Average Speed_{(Library ->Home)}}=2\)
\(\frac{x}{40} - \frac{x}{45}=2\)
We can easily find out the value of x, So Statement 1 alone is sufficient.
(2) The total amount of minutes for the round trip taken is 34 minutes
i.e \(\frac{x}{Average Speed_{(Home ->Library)}} + \frac{x}{Average Speed_{(Library ->Home)}}=34\)
\(\frac{x}{40} + \frac{x}{45}=34\)
We can easily find out the value of \(x\), So Statement 2 alone is sufficient.
Let the distance between Mary's Home and Library be \(x\).
\(Average Speed_{(Home ->Library)} = 40\) miles per hour
\(Average Speed_{(Library ->Home)} = 45\) miles per hour
(1) The difference between the round trip’s times taken is 2 minutes
i.e \(\frac{x}{Average Speed_{(Home ->Library)}} - \frac{x}{Average Speed_{(Library ->Home)}}=2\)
\(\frac{x}{40} - \frac{x}{45}=2\)
We can easily find out the value of x, So Statement 1 alone is sufficient.
(2) The total amount of minutes for the round trip taken is 34 minutes
i.e \(\frac{x}{Average Speed_{(Home ->Library)}} + \frac{x}{Average Speed_{(Library ->Home)}}=34\)
\(\frac{x}{40} + \frac{x}{45}=34\)
We can easily find out the value of \(x\), So Statement 2 alone is sufficient.
13 Jan 2020, 02:04
Kudos
Bookmarks
Mary goes from her house to the library at a constant speed rate of 40 miles per hour and come back from the library to her house at a constant rate of 45 miles per hour along the same route. What is the distance of the route?
(1) The difference between the round trip’s times taken is 2 minutes
(2) The total amount of minutes for the round trip taken is 34 minutes
Soln: Lets the distance from Home to library be d
Speed * time= distance Hence 40*t1=d
Similarly for library to home 45*t2=d
as distance is same we can equate both i.e 40*t1=45*t2
(Rem- speed is given to us in miles/hour, where as if we see in both statements time is given in mins)
so its better to convert into mins
40/60*t1=45/60*t2
simplifying ,2/3t1=3/4t2
Now lets check each statement
(1) The difference between the round trip’s times taken is 2 minutes
t1-t2=2mins
hence t1= t2+2
we can replace this in equation 2/3t1=3/4t2 and get the time and hence the distance.
So st 1 is sufficient
St 2 The total amount of minutes for the round trip taken is 34 minutes
Here we are given t1+t2=34
t1=34-t2
Again can replace this in equation 2/3t@1=3/4t2 and get t1 and t2 and also cal distance/
St 2 is also sufficient.
Hence ans is D
Bunuel, VeritasKarishma Please suggest if my method is correct. It took more than 2 mins to solve this question.
Please guide if any other shorter method or logic to solve this question
(1) The difference between the round trip’s times taken is 2 minutes
(2) The total amount of minutes for the round trip taken is 34 minutes
Soln: Lets the distance from Home to library be d
Speed * time= distance Hence 40*t1=d
Similarly for library to home 45*t2=d
as distance is same we can equate both i.e 40*t1=45*t2
(Rem- speed is given to us in miles/hour, where as if we see in both statements time is given in mins)
so its better to convert into mins
40/60*t1=45/60*t2
simplifying ,2/3t1=3/4t2
Now lets check each statement
(1) The difference between the round trip’s times taken is 2 minutes
t1-t2=2mins
hence t1= t2+2
we can replace this in equation 2/3t1=3/4t2 and get the time and hence the distance.
So st 1 is sufficient
St 2 The total amount of minutes for the round trip taken is 34 minutes
Here we are given t1+t2=34
t1=34-t2
Again can replace this in equation 2/3t@1=3/4t2 and get t1 and t2 and also cal distance/
St 2 is also sufficient.
Hence ans is D
Bunuel, VeritasKarishma Please suggest if my method is correct. It took more than 2 mins to solve this question.
Please guide if any other shorter method or logic to solve this question
