Two machines M1 and M2 are able to execute any of four jobs P, Q, R and S. The…
GATE · 2017 · CE · Set 1 · General Aptitude
Two machines M1 and M2 are able to execute any of four jobs P, Q, R and S. The machines can perform one job on one object at a time. Jobs P, Q, R and S take 30 minutes, 20 minutes, 60 minutes and 15 minutes each respectively. There are 10 objects each requiring exactly 1 job. Job P is to be performed on 2 objects, Job Q on 3 objects, Job R on 1 object and Job S on 4 objects. What is the minimum time needed to complete all the jobs?
- A.
2 hours
- B.
2.5 hours
- C.
3 hours
- D.
3.5 hours
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