T.Y B.COM
SEMESTER - 5
MID SEMESTER EXAMINATION
OPERATIONS RESEARCH
(OR)
50 - MCQS
1. Operations Research (OR), which is a very powerful tool for __________
a) Research
b) Decision-Making
c) Operations
d) None of the above
2. Who coined the term Operations Research?
a) J.F. McCloskey
b) F.N. Trefethen
c) P.F. Adams
d) Both A and B
3. The term Operations Research was coined in the year ________
a) 1950
b) 1940
c) 1978
d) 1960
4. This innovative science of Operations Research was discovered during _______
a) Civil War
b) World War I
c) World War II
d) Industrial Revolution
5. Operations Research was known as an ability to win a war without really going in to a __________
a) Battle field
b) Fighting
c) War
d) Both A and B
6. Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their control?
a) Morse and Kimball (1946)
b) P.M.S. Blackett (1948)
c) E.L. Arnoff and M.J. Netzorg
d) None of the above
7. Who defined Operations Research as scientific approach to problem solving for executive management?
a) E.L. Arnoff
b) P.M.S. Blackett
c) H.M. Wagner
d) None of the above
8. Who defined Operations Research as an aid for the executive in marketing his decisions by providing him with the quantitative information based on the scientific method of analysis ?
a) C. Kitte
b) H.M. Wagner
c) E.L. Arnoff
d) None of the above
9. Operations Research has the characteristics the it is done by a team of ___________
a) Scientists
b) Mathematicians
c) Academics
d) All of the above
10. There is a great scope for ________ working as a team to solve problems of defence by using the Operations Research approach
a) Economists
b) Administrators
c) Statisticians and Technicians
d) All of the above
11. Operations Research emphasizes on the overall approach to the system. This charecteristics of Operations Research is often referred as
a) System Orientation
b) System Approach
c) Interdisciplinary
d) Team Approach
12. Operations Research cannot give perfect ___________ to problems
a) Answers
b) Solutions
c) Both A and B
d) Decisions
13. Operations Research simply helps in improving the __________ of the solution but does not result in a perfect solution.
a) Quality
b) Clarity
c) Look
d) None of the above
14. Operations Research involves _______ attack of complex problems to arrive at the optimum solution
a) Scientific
b) Systematic
c) Both A and B
d) Statistical
15. Operations Research uses models built by quantitative measurement of the variables concerning a given problem and also derives a solution from the model using _________ of the diversified solution techniques
a) Two or more
b) One or more
c) Three or more
d) Only One
16. A solution may be extracted from a model either by
a) Conducting experiments on it
b) Mathematical analysis
c) Both A and B
d) Diversified Techniques
17. Operations Research uses models to help the management to determine its ________ scientifically
a) Policies
b) Actions
c) Both A and B
d) None of the above
18. Operations Research is a _______
a) Science
b) Art
c) Mathematics
d) Both A and B
19. What have been constructed for Operations Research problems and methods for solving the models that are available in many cases?
a) Scientific Models
b) Algorithms
c) Mathematical Models
d) None of the above
20. Which technique is used in finding a solution for optimizing a given objective, such as profit maximization or cost minimization under certain constraints?
a) Quailing Theory
b) Waiting Line
c) Both A and B
d) Linear Programming
21. What aims at optimizing inventory levels?
a) Inventory Control
b) Inventory Capacity
c) Inventory Planning
d) None of the above
22. What can be defined as a useful idle resource which has economic value eg; raw materials, spare parts, finished items, etc?
a) Inventory Control
b) Inventory
c) Inventory Planning
d) None of the above
23. Which theory concerns making sound decisions under conditions of certainity, risk and uncertainty
a) Game Theory
b) Network Analysis
c) Decision Theory
d) None of the above
24. Key concept under which technique are network of events and activities, resource allocation, time and cost considerations, network paths and critical paths ?
a) Game Theory
b) Network Analysis
c) Decision Theory
d) None of the above
25. Which technique is used to imitate an operation prior to actual performance?
a) Simulation
b) Integrated Production Models
c) Inventory Control
d) Game Theory
26. What is concerned with the prediction of replacement costs and determination of the most economic replacement policy?
a) Search Theory
b) Theory of replacement
c) Probabilistic Programming
d) None of the above
27. What refers to Linear Programming that includes an evaluation of relative risks and uncertainties in various alternatives of choice for management decisions?
a) Probabilistic Programming
b) Stochastic Programming
c) Both A and B
d) Linear Programming
28. What enables us to determine the earliest and the latest times for each of the events and activities and thereby helps in the identification of the critical path?
a) Programme Evaluation
b) Review Technique (PERT)
c) Both A and B
d) Deployment of resources
29. Linear Programming technique is used to allocate scarce resources in an optimum manner in problems of _________ ?
a) Schedule
b) Product Mix
c) Both A and B
d) Servicing Cost
30. Operations Research techniques helps the directing authority in optimum allocation of various limited resources, such as _________
a) Men and Machine
b) Money
c) Material and Time
d) All of the above
31. Operations Research study generally involves how many phases ?
a) Three
b) Four
c) Five
d) Two
32. __________ models involves the allocation of resources to activities in such a manner that some measure of effectiveness is optimized.
a) Sequencing
b) Allocation Models
c) Queuing Theory
d) Decision Theory
33. Allocation problems can be solved by
a) Linear Programming Technique
b) Non- Linear Programming Technique
c) Both A and B
d) None of the above
34. In ________ models, everything is defined and the results are certain,
a) Deterministic Models
b) Probabilistic Models
c) Both A and B
d) None of the above
35. In _________ models there is risk and uncertainty
a) Deterministic Models
b) Probabilistic Models
c) Both A and B
d) None of the above
36. ________ models are obtained by enlarging or reducing the size of the item
a) Iconic Models
b) Analogue Models
c) Symbolic Models
d) None of the above
37. Operations Research attempts to find the best and ________ solution to a problem
a) Optimum
b) Perfect
c) Degenerate
d) None of the above
38. The word ________ may be defined as some action that we apply to some problems or hypothesis.
a) Research
b) Operation
c) Both A and B
d) None of the above
39. The operations Research technique, specially used to determine the optimum strategy is
a) Decision Theory
b) Simulation
c) Game Theory
d) None of the above
40. The operations Research technique which helps in minimizing total waiting and service costs is
a) Queuing Theory
b) Decision Theory
c) Both A and B
d) None of the above
41. _______ are the representation of reality
a) Models
b) Phases
c)Both A and B
d) None of the above
42. ________ are called mathematical models
a) lconic Models
b) Analogue Models
c) Symbolic Models
d) None of the above
43. It is not easy to make any modification or improvement in
a) lconic Models
b) Analogue Models
c) Symbolic Models
d) None of the above
44. In _______ models one set of properties is used to represent another set of properties
a) lconic Models
b) Analogue Models
c) Symbolic Models
d) None of the above
45. Allocation Models are _______
a) lconic models
b) Analogue Models
c) Symbolic Models
d) None of the above
46. Probabilistic models are also known as
a) Deterministic Models
b) Stochastic Models
c) Dynamic Models
d) Static Models
47. ____________ models assumes that the values of the variables do not change with time during a particular period
a) Static Models
b) Dynamic Models
c) Both A and B
d) None of the above
48. A ___________ models considers time as one of the important variable
a) Static Models
b) Dynamic Models
c) Both A and B
d) None of the above
49. Replacement Model is a _________ model
a) Static Models
b) Dynamic Models
c) Both A and B
d) None of the above
50. ___________ may be defined as a method of determining an optimum programme inter dependent activities in view of available resources
a) Goal Programming
b) Linear Programming
c) Decision Making
d) None of the above
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