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 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 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 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.
16 Aug 2019, 01:42
Kudos
Bookmarks
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
87% (00:51) correct
13%
(01:06)
wrong
based on 78
sessions
History
Date
Time
Result
Not Attempted Yet
It would take one machine 7 hours to complete a large production order and another machine 5 hours to complete the same order. If they can work on the order simultaneously without interfering with each other, how many hours would it take both machines, working simultaneously at their respective constant rates, to complete the order?
A. 12/35
B. 48/35
C. 35/12
D. 40/7
E. 12
A. 12/35
B. 48/35
C. 35/12
D. 40/7
E. 12
16 Aug 2019, 01:42
Kudos
Bookmarks
16 Aug 2019, 01:56
Kudos
Bookmarks
Individual Rates :
R(a) = 1/7 R(b) = 1/5
Rate working together :
1/7+1/5 = 35/12
IMO Ans : C
R(a) = 1/7 R(b) = 1/5
Rate working together :
1/7+1/5 = 35/12
IMO Ans : C
