GRE Prep 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.
One computer can upload 100 megabytes worth of data in 6 seconds. Two
[#permalink]
23 Sep 2021, 03:35
23 Sep 2021, 03:35
1
Expert Reply
00:00
Question Stats:
73% (01:52) correct
26% (01:55) wrong based on 23 sessions
Hide Show timer Statistics
One computer can upload 100 megabytes worth of data in 6 seconds. Two computers, including this one, working together, can upload 1300 megabytes worth of data in 42 seconds. How long would it take for the second computer, working on its own, to upload 100 megabytes of data?
(A) 6
(B) 7
(C) 9
(D) 11
(E) 13
(A) 6
(B) 7
(C) 9
(D) 11
(E) 13
Re: One computer can upload 100 megabytes worth of data in 6 seconds. Two
[#permalink]
24 Sep 2021, 04:42
24 Sep 2021, 04:42
1
Carcass wrote:
One computer can upload 100 megabytes worth of data in 6 seconds. Two computers, including this one, working together, can upload 1300 megabytes worth of data in 42 seconds. How long would it take for the second computer, working on its own, to upload 100 megabytes of data?
(A) 6
(B) 7
(C) 9
(D) 11
(E) 13
(A) 6
(B) 7
(C) 9
(D) 11
(E) 13
Computer A uploads \(\frac{100}{6}\) MB per Sec.
Computer A + B uploads = \(\frac{100}{6} + x = \frac{1300}{42}\) MB per Sec.
So B uploads \( \frac{1300}{42} - \frac{100}{6} = \frac{600}{42} \) MB per Sec.
so for finding 100 MB for computer B = \(100 * \frac{42}{600} = 7\) Sec.
Answer is B)
gmatclubot
Re: One computer can upload 100 megabytes worth of data in 6 seconds. Two [#permalink]
24 Sep 2021, 04:42
Moderators:
