Punjab Technical University 2007-2nd Sem M.B.A (-) APPLIED OPERATION RESEARCH (MB - 301) - Question Paper

MBA (Semester - 3rd)

APPLIED OPERATION RESEARCH (MB - 301)

Time : 03 Hours Maximum Marks : 75
Instruction to Candidates:
1) part - A is compulsory.
2) Attempt any 9 ques. from part - B.
part - A
Q1) (15 x two = 30)

a) describe operation research.
b) Can we solve a 3-dimensional issue with Graphical method?
c) discuss unrestricted variable.
d) elaborate redundant constraints?
e) discuss principle of dominance in Game Theory?
f) What is the importance of Mixed Strategy?
g) Write limitations of operation research.
h) What do you mean by Convex set?
i) What is non-degenerate basic feasible solution?
j) What is structure of LPP?
k) What is looping in transportation problem?
l) What is free float?
m) elaborate artificial variables?
n) What do you mean by objective function?
o) What is dynamic programming?

part - B
(9 x five = 45)
Q2) explain the different models & methods used in operation research.
Q3) Write a note on any 2 of the following:
(a) explain the role of LPP as a decision making tool.
(b) Unbalanced transportation issue.
(c) Multiple optimal solution & infeasibility.
Q4) Maximize Z = 5x + 8y,
Subject to 3x + 5y = 18
5x + 3y = 14
x,y are greater or equal to zero.
Q5) explain briefly the Hungarian method for solving an assignment issue.
Q6) What is the difference b/w degeneracy in simplex & degeneracy in
transportation?
Q7) discuss Traveling Salesmen issue with example.
Q8) Write five-difference b/w PERT/CPM.
Q9) Write a short note on Transshipment issue.
Q10) A company uses 3000 units of a product, its carrying cost is 30 % of avg.
inventory. Ordering cost is Rs. 100 per order. Unit cost is Rs. 20. compute
EOQ & total cost.
Q11) discuss the terms, set up cost, holding cost & shortage or penalty cost as
applied to an inventory issue.
J-3081[S-81] 2
Q12) A truck owner from his past experience estimates that the maintenance cost
per year of a truck whose purchase price is Rs. 150000 & resale value of the
truck will be provided as in table.
Determine at which time it is profitable to change the truck.
Year one two three four five six seven 8
Maintenance 10,000 50,000 20,000 25,000 30,000 40,000 45,000 50,000
Resale value 13,0000 12,0000 11,5000 10,500 90,000 75,000 60,000 50,000
Q13) What is replacement? define a few important replacement situations &
replacement policies.

Earning:   Approval pending.