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Vincen
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Machines \(A, B,\) and \(C\) produce identical balls at their respective constant rates. If machines \(A\) and \(B\) operating simultaneously can produce a batch of balls in \(4\) hours and \(48\) minutes, in how much time can machines \(A\) and \(C\) operating simultaneously produce the same batch of balls?
(1) Machines \(A, B,\) and \(C\) operating simultaneously can produce the same batch of balls in \(\dfrac{24}{11}\) hours.
(2) Machine \(B\) operating alone takes \(50\) percent more time to produce the same batch of balls than Machine \(A\) operating alone.
Answer: C
Source: e-GMAT
(1) Machines \(A, B,\) and \(C\) operating simultaneously can produce the same batch of balls in \(\dfrac{24}{11}\) hours.
(2) Machine \(B\) operating alone takes \(50\) percent more time to produce the same batch of balls than Machine \(A\) operating alone.
Answer: C
Source: e-GMAT
