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27 Oct 2025, 00:48
Kudos
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C
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Difficulty:
15%
(low)
Question Stats:
83% (01:16) correct
17%
(01:05)
wrong
based on 117
sessions
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Machine J runs at a constant rate and produces a lot consisting of 300 bottles in 4 hours. How much less time would it take to produce the lot of cans if both machines J and P were run simultaneously?
(1) Machines J and P start working simultaneously at 7 a.m.
(2) Machines J and P finish one lot by 7:23 a.m.
(1) Machines J and P start working simultaneously at 7 a.m.
(2) Machines J and P finish one lot by 7:23 a.m.
27 Oct 2025, 04:40
Kudos
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Bunuel
Let the rate of J be a bottles/hour, and the rate of P be b bottles/ hour.
One lot equals 300 = rate * hour
= a * 4
This, a= 75 bottles/ hour.
We need to find : How much less time between machines J and P.
Statement 1:
(1) Machines J and P start working simultaneously at 7 a.m.
We have the start time, but we don’t have the end times or rates of P. Hence, Insufficient
Statement 2:
(2) Machines J and P finish one lot by 7:23 a.m.
300 bottles are produced by both P + J combined by 7:23 am.
Without knowing the start time, we don’t have the start times or rates of P. Hence, Insufficient.
Combining both statements 1 and 2, we get
Both take 23 mins, while J working alone takes 4 hrs.
How much less time = 4 hrs - 23 mins = 3 hrs 37 mins
Option C
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