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?

Civil Engineering (CE) Question

Roopal Bansal answered Jul 17, 2018

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 Answers of 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? are solved by group of students and teacher of Civil Engineering (CE), which is also the largest student community of Civil Engineering (CE). If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Civil Engineering (CE) on EduRev and even discuss your questions like 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 Question bank for Civil Engineering (CE).