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Question :
(a) (i) What do you understand by the term "operations research"?
(ii) Discuss three common operations research models.
(b) Self-service at the university canteen requires an average of 7 minutes per student whilst attended service has a rate of 6 minutes per student. Customers arrive randomly at the rate of 5 per hour. As the manager of the canteen, you are required to calculate the following operations statistics for each service:
(i) the average number of customers, (ii) the expected number of customers waiting for service, (iii) average time spent in the system, (iv) average time waiting for service.
Based on your results in (b), comment on the two services offered at the university canteen.
b. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y pape
. Explain in brief the phases of Operations Research. 5 +5 = 10 marks (200 - 250 words each) Q3. Solve the following Linear Programming Problem using Simple method. Maximize Z= 3
Demerits of Range a.It gives importance to the two extreme values and is very much affected by the extreme items. b.The range provides no information about the st
A paper mill produces two grades of paper viz., X & Y. Because of raw material restrictions, it cannot produce more 400 tons of grade X paper & 300 tons of grade Y paper in a week.
3 In a rectangular game, pay-off matrix of player A is as follows:
. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper
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Question: Machine A costs Rs. 9000. Annual operating costs are Rs. 200 for the first year, and then increase by Rs. 2000 every year. Suppose that the machine has no resale valu
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