Sunday, 25 February 2018

MBA205 & OPERATIONS RESEARCH

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DRIVE
Winter 2017
PROGRAM
MBA
SEMESTER
II
SUBJECT CODE & NAME
MBA205 & OPERATIONS RESEARCH

SET - I
1 Define the Linear programming problem in operation Research. Also, explain various assumptions, advantages and limitations of linear programming problem.
A Linear programming problem in operation Research
Assumptions of linear programming problem
Advantages of linear programming problem
Limitations of linear programming problem

Answer: In organisations, managers are required to make judicious use of scarce resources, such as men, materials, machines and capital, to minimise costs and maximise profits. A technique that is used to select the best alternative from a set of feasible ones in situations where the

Q2.
a. Discuss the concept of unbalanced transportation problem
b. Find the optimum transportation cost in following table


D1
D2
D3
D4
SUPPLY
S1
3
1
7
4
300
S2
2
6
5
9
400
S3
8
3
3
2
500
DEMAND
250
350
400
200


·       Unbalanced transportation problem
·       Optimum allocation.
·       Optimum transportation cost
Answer:
Unbalanced transportation problem:

When the total supply of all the sources is not equal to the total demand of all destinations, the problem is an unbalanced transportation problem.
Total


3 a. Elaborate the meaning of Simulation.
b. What are different Practical applications of simulation
A Meaning of Simulation.
Practical applications of simulation

Answer: a) Simulation is a representation of real-life situations. It is a method in which a replica of a real-world process or system is developed over a period of time. The simulated model acts in the same

SET-II
1 a. Define the meaning of assignment problem in operation Research.
b. A Departmental head has four subordinates and four task to be performed. The subordinates differ in efficiency and the tasks differ in their intrinsic difficulty. His estimate of the times each man would take to perform each task is given in the following matrix-
Tasks
Subordinates
I
II
III
IV
A
8
26
17
11
B
13
28
4
26
C
38
19
18
15
D
19
26
24
10
How should the tasks be allocated to subordinates to minimize the total man-hours?
A Description of assignment problem
Optimum allocation through Hungarian method

Answer: a) An assignment problem is a special type of transportation problem. In an assignment problem, the

2. Define following criteria’s used for decision making under Uncertainty
a. Optimism (maximax or minimin) criterion
b. Pessimism (maximin or minimax) criterion
c. Equal probabilities (Laplace) criterion
d. Coefficient of optimism (Hurwicz) criterion
e. Regret (salvage) criterion

Answer: a) Optimism (maximax or minimin) criterion: Here, the decision maker tries to achieve the largest possible profit (Maximax) or minimum possible cost (minimin). If the entries in the payoff matrix are the one which the decision maker wants as large as possible, for example, profits or sales revenue, he/she selects the alternative that represents the maximum of the maximum payoff. In


3 a. Explain the importance and utility of the replacement model in business organizations.
b. The maintenance cost and re-sale value per year of a machine whose purchase price is Rs. 7000 is given below-
Year
1
2
3
4
5
6
7
8
Maintenance cost (Rs.)
900
1200
1600
2100
2800
3700
4700
5900
Resale value (Rs.)
4000
2000
1200
600
500
400
400
400
Importance and utility of the replacement model Replacement Year

Answer: a) In an organisation, replacement problems arise when fixed assets, such as machines, equipment, and other tools, need to be replaced due to reduced efficiency, failure or breakdown. Sometimes, replacement takes place when more efficient equipment is available in the market or the maintenance of the existing equipment is incurring a huge cost on an organisation. However, an

Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
help.mbaassignments@gmail.com
or
call us at : 08263069601


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