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06 Apr 2024, 02:16
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B
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Difficulty:
15%
(low)
Question Stats:
84% (01:57) correct
16%
(02:25)
wrong
based on 455
sessions
History
Date
Time
Result
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On opening day a ride on a roller coaster takes 30 seconds and the time required for unloading and loading riders is 2 minutes after each ride. If the roller coaster operates nonstop and 768 people ride the roller coaster in 1 hour. What is the average number of people per ride for that hour?
A. 24
B. 32
C. 48
D. 60
E. 72
A. 24
B. 32
C. 48
D. 60
E. 72
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06 Apr 2024, 02:40
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GMATinsight
Time taken for one complete ride = \(2\) mins + \(0.5\) mins = \(2.5\) mins
Number of rides the roller coaster makes per hour = \(\frac{60}{2.5} = 24\)
Average number of people per ride = \(\frac{\text{Number of people who rode the roller coaster} }{ \text{Number of rides made by the roller coaster}} = \frac{768}{24} = 32\)
Option B
General Discussion
15 Sep 2024, 20:22
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gmatophobia
I was thinking that for the last ride of the hour, we should only consider the ride time (30 seconds) and not include the loading and unloading time (2 minutes). Why haven't we done that?
For example:
2.5(x - 1) + 0.5 = 60 Where x is the number of rides.
I was thinking that for the last ride of the hour, we should only consider the ride time (30 seconds) and not include the loading and unloading time (2 minutes). Why haven't we done that?
For example:
2.5(x - 1) + 0.5 = 60 Where x is the number of rides.
