Tnou Jan2009

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MBA–593

MSP–18

M.B.A. DEGREE EXAMINATION – JUNE 2008. (AY 2005–2006 onwards) OPERATIONS RESEARCH Time : 3 hours

Maximum marks : 75

Answer for 5 marks questions should not exceed 2 pages. Answer for 10/15 marks questions should not exceed 5 pages. PART A — (3 × 5 = 15 marks) Answer any THREE questions. 1. What are programming?

the

assumptions

of

Linear

2.

What is degeneracy in transportation problem?

3.

List out the characteristics of queuing system.

4.

Explain free float and free slack.

5.

What is saddle point?

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PART B — (4 × 15 = 60 marks) Answer any FOUR questions. 6.

Solve the following LPP graphically : Minimize Z = 100 X 1 + 80 X 2 subject to

5 X 1 + 10 X 2 ≤ 50 8 X 1 + 2 X 2 ≥ 16 X1, X 2 ≥ 0 7. Find the initial solution for the following transportation problem using North West Corner Rule, Least Cost Method and Vogel’s Approximation Method. To X From

Z

W

Supply

1 15 51 42 33

23

2 80 42 26 81

44

3 90 40 66 60

33

23 31 16 30

100

Demand 8.

Y

Solve the game : Player B Player A 2

4

1

3

4

MBA–593

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9.

Explain the rules for constructing a network.

10.

What is decision tree? Explain its applications.

11.

Solve the assignment problem. Jobs I

Contractor

12.

II

III IV

1 10 22

30

15

2 16 24

28

12

3 12 20

32

10

4

34

16

9

26

Explain about Monte Carlo Simulation.

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MBA–593

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MBA–594

MSP–19

M.B.A. DEGREE EXAMINATION – JUNE 2008. (AY 2005–2006 onwards) RESEARCH METHODOLOGY Time : 3 hours

Maximum marks : 75

Answer for 5 marks questions should not exceed 2 pages. Answer for 10/15 marks questions should not exceed 5 pages. PART A — (3 × 5 = 15 marks) Answer any THREE questions. All questions carry equal marks. 1. How observation method of data collection should be used? 2.

Define cluster sampling and describe its features.

3. What are different types of questions used in a questionnaire? 4.

What are the types of correlation and their uses?

5.

What is a bibliography? What is its purpose?

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PART B — (4 × 15 = 60 marks) Answer any FOUR questions. All questions carry equal marks. 6. ‘‘Search for facts should be made by scientific method rather than by arbitrary method” — Substantiate. 7. Expedite the role of hypothesis in social science researches. 8. Select a research problem and prepare a research design for the same. 9. Critically evaluate different types of projective techniques used in data collection. 10. Differentiate between nominal, ordinal, interval and rational scales. 11. What is ANOVA? Explain the usefulness of ANOVA. 12. Elaborate the significance and relevance of using charts and diagrams in a research report.

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MBA–594