alleryOne machine does P(30min),Q(20min),R(15min); R must follow P. Start09:00, all must finish by10:05. Which order works?
AR-P-Q
BQ-R-P
CP-R with no Q
DP-Q-R
Answer & Solution
Correct answer: D. P-Q-R
P-Q-R respects P before R and completes all65minutes by10:05.
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