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Posted Date: 17 Jun 2008 Posted By:: jalaj Member Level: Gold Points: 5 (Rs. 1)

2007 Punjab Technical University M.B.A PTU  MBA III sem APPLIED OPERATION RESEARCH Question paper
1034 MB 301 APPLIED OPERATION RESEARCH MBA 3RD SEMESTER (2096)
Time: Three Hours Maximum Marks: 75 NOTE: Part A is compulsory, Attempt any nine question form part B PartA 1. Solve the following. a. What is dynamic programming? b. What is EOQ? c. Write the assumptions of replacement theory. d. Briefly discuss the assumption made in formulation of L.P model. e. What are redundant constraints? f. What are the conditions, under which optimality test can by performed? g. What is saddle point in game theory? h. Define mixed strategy & pure strategy. i. What is looping in transportation problem? j. What is infeasible & unbounded solution? k. Define convex set l. What is non degenerate basic feasible solution? m. Explain two person zero sum games. n. Explain competitive game. o. What do you mean by dual of a problem? PARTB 2. Define and Discuss the role of operations research. 3. Furnish comparison between PERT and CPM. 4. show that transportation problem can be regarded as a particular case of linear programming problem. 5. Solve following Assignment problem so that total cost of assigning jobs to different machines in minimum. Jobs/Machines 1 2 3 4 1 5 7 11 6 2 8 5 9 6 3 4 7 10 7 4 10 4 8 3
6. Illustrate the rules of converting a primal problem into a dual problem. 7. Explain the concept of Traveling salesmen problem. 8. Write short note on following. a. Free float b. Independent float 9. Write five different situations in which PERT/CPM can be used. 10. Distinguish between assignment problem & transportation problem. 11. Discuss the role of sensitivity analysis. 12. write short notes on the following: a. transshipment problem b. OR models 13. the maintenance cost and resale value per year of a machine whose purchase price is Rs.7000 is given below : When should the machine be replaced? Year 1 2 3 4 5 6 7 8 Operating Costs 900 1200 1600 2100 2800 3700 4700 5900 Resale Value(Rs.) 4000 2000 1200 600 500 400 400 400
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