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

Correct answer is option 'A'. Can you explain this answer?

By
Sitaram Meena
·
Jul 17, 2018 ·Civil Engineering (CE)

This discussion on 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 hoursb)2.5 hoursc)3 hoursd)3.5 hoursCorrect answer is option 'A'. Can you explain this answer? is done on EduRev Study Group by Civil Engineering (CE) Students. The Questions and
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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 hoursb)2.5 hoursc)3 hoursd)3.5 hoursCorrect answer is option 'A'. Can you explain this answer? over here on EduRev! Apart from being the largest Civil Engineering (CE) community, EduRev has the largest solved
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