Operations Research Professional IIBM EXAM ANSWER SHEETS PROVIDED. MBA EMBA BMS DMS ANSWERS PROVIDED. DR. PRASANTH MBA PH.D. DME MOBILE / WHATSAPP: +91 9924764558 OR +91 9447965521 EMAIL: prasanththampi1975@gmail.com WEBSITE: www.casestudyandprojectreports.com
Guidelines for paper
Total No. of Questions is 100.
The minimum passing marks is 40%.
Each Question carries 1 mark.
Answer all the Questions.
Multiple Choices:
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)
Examination Paper of Operations Research Professional
2
IIBM Institute of Business Management
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 characteristic that 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 characteristic 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
Examination Paper of Operations Research Professional
3
IIBM Institute of Business Management
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
Examination Paper of Operations Research Professional
4
IIBM Institute of Business Management
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 certainty, 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
Examination Paper of Operations Research Professional
5
IIBM Institute of Business Management
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 help 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
Examination Paper of Operations Research Professional
6
IIBM Institute of Business Management
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) Iconic Models
b) Analogue Models
c) Symbolic Models
d) None of the above
Examination Paper of Operations Research Professional
7
IIBM Institute of Business Management
43. It is not easy to make any modification or improvement in_________.
a) Iconic 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) Iconic Models
b) Analogue Models
c) Symbolic Models
d) None of the above
45. Allocation Models are __________.
a) Iconic 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
Examination Paper of Operations Research Professional
8
IIBM Institute of Business Management
c) Decision Making
d) None of the above
51. _________ are expressed is n the form of inequities or equations.
a) Constraints
b) Objective Functions
c) Both A and B
d) None of the above
52. The objective functions and constraints are linear relationship between _________.
a) Variables
b) Constraints
c) Functions
d) All of the above
53. Assignment problem helps to find a maximum weight identical in nature in a
weighted __________.
a) Tripartite graph
b) Bipartite graph
c) Partite graph
d) None of the above
54. All the parameters in the linear programming model are assumed to be _________.
a) Variables
b) Constraints
c) Functions
d) None of the above
55. The solution need not be in _________ numbers.
a) Prime Number
b) Whole Number
c) Complex Number
d) None of the above
56. Graphic method can be applied to solve a LPP when there are only _________ variable.
a) One
b) More than One
c) Two
d) Three
57. If the feasible region of a LPP is empty, the solution is __________.
a) Infeasible
b) Unbounded
c) Alternative
d) None of the above
58. The variables whose coefficient vectors are unit vectors are called ________.
a) Unit Variables
Examination Paper of Operations Research Professional
9
IIBM Institute of Business Management
b) Basic Variables
c) Non basic Variables
d) None of the above
59. Any column or raw of a simplex table is called a ___________.
a) Vector
b) Key column
c) Key Raw
d) None of the above
60. If there are ‘m’ original variables and ‘n’ introduced variables, then there will
be ________ columns in the simplex table.
a) M + n
b) M – n
c) 3 +m + n
d) M + n – 1
61. A minimization problem can be converted into a maximization problem by changing the sign of
coefficients in the __________.
a) Constraints
b) Objective Functions
c) Both A and B
d) None of the above
62. If in a LPP, the solution of a variable can be made infinity large without violating the constraint
the solution is ___________.
a) Infeasible
b) Unbounded
c) Alternative
d) None of the above
63. In maximization cases, _________ are assigned to the artificial variables as their coefficients in
the objective function.
a) +m
b) –m
c) 0
d) None of the above
64. In simplex method, we add _________variables in the case of ‘=’
a) Slack Variable
b) Surplus Variable
c) Artificial Variable
d) None of the above
65. In simplex method, if there is tie between a decision variable and a slack (or surplus)
variable, _________ should be selected.
a) Slack variable
b) Surplus variable
Examination Paper of Operations Research Professional
10
IIBM Institute of Business Management
c) Decision variable
d) None of the above
66. A BFS of a LPP is said to be__________ if at least one of the basic variable is zero.
a) Degenerate
b) Non‐degenerate
c) Infeasible
d) Unbounded
67. In LPP, degeneracy occurs in ________ stages.
a) One
b) Two
c) Three
d) Four
68. Every LPP is associated with another LPP is called ________.
a) Primal
b) Dual
c) Non‐linear programming
d) None of the above
69. As for maximization in assignment problem, the objective is to maximize the ________.
a) Profit
b) Optimization
c) Cost
d) None of the above
70. If there are more than one optimum solution for the decision variable the solution
is __________.
a) Infeasible
b) Unbounded
c) Alternative
d) None of the above
71. Dual of the dual is __________.
a) Primal
b) Dual
c) Alternative
d) None of the above
72. Operations Research approach is_________.
a) Multi‐disciplinary
b) Scientific
c) Initiative
d) All of the above
73. For analysing the problem, decision – makers should normally study_______.
a) Its qualitative aspects
Examination Paper of Operations Research Professional
11
IIBM Institute of Business Management
b) Its quantitative aspects
c) Both A and B
d) Neither A and B
74. Decision variables are________.
a) Controllable
b) Uncontrollable
c) Parameters
d) None of the above
75. The issue of decision models_________.
a) Is possible when the variable’s value is
b) Reduces the scope of judgment and intuition known with certainty in decision making
c) Requires the knowledge of computer software use
d) None of the above
76. _________is one of the fundamental combinatorial optimization problems.
a) Assignment problem
b) Transportation problem
c) Optimization Problem
d) None of the above
77. An optimization model__________.
a) Mathematically provides the best decision
b) Provides decision within its limited context
c) Helps in evaluating various alternatives constantly
d) All of the above
78. The quantitative approach to decision analysis is a_______.
a) Logical approach
b) Rational approach
c) Scientific approach
d) All of the above
79. Operations Research approach is typically based on the use of________.
a) Physical model
b) Mathematical model
c) Iconic model
d) Descriptive model
80. In a manufacturing process, who takes the decisions as to what quantities and which process or
processes are to be used so that the cost is minimum and profit is maximum?
a) Supervisor
b) Manufacturer
c) Producer
d) Production manager
81. Linear programming has been successfully applied in ________.
Examination Paper of Operations Research Professional
12
IIBM Institute of Business Management
a) Agricultural
b) Industrial applications
c) Both A and B
d) Manufacturing
82. The term linearity implies ________ among the relevant variables:
a) Straight line
b) Proportional relationships
c) Linear lines
d) Both A and B
83. Process refers to the combination of _________ inputs to produce a particular output.
a) One or more
b) Two or more
c) One
d) None of the above
84. What has always been very important in the business and industrial world, particularly with
regard to problems concerning productions of commodities?
a) Linear Programming
b) Production
c) Decision – making
d) None of the above
85. What are the main questions before a production manager?
a) Which commodity/ commodities to produce
b) In what quantities
c) By which process or processes
d) All of the above
86. Who pointed out that the businessman always studies his production function and his input
prices and substitutes one input for another till his costs become the minimum possible?
a) Alan Marshall
b) Alfred Marsh
c) Alfred Marshall
d) None of the above
87. Who invented a method of formal calculations often termed as?
a) A.V. Kantorovich
b) L.V. Kantorovich
c) T.S. Kantorovich
d) Alfred Marshall
88. Who developed Linear Programming for the purpose of scheduling the complicated
procurement activities of the United States Air Force?
a) George B. Dantzig
b) James B. Dantzig
c) George B. Dante
Examination Paper of Operations Research Professional
13
IIBM Institute of Business Management
d) George V. Dantzig
89. This method of formal calculations often termed as Linear Programming was developed later in
which year?
a) 1947
b) 1988
c) 1957
d) 1944
90. What is being considered as one of the most versatile management tools?
a) Electronic Computers
b) Linear Programming
c) Computer Programming
d) None of the above
91. LP is a major innovation since _________ in the field of business decision – making,
particularly under conditions of certainty.
a) Industrial Revolution
b) World War I
c) World War II
d) French Revolution
92. The world ‘Linear’ means that the relationships are represented by ___________.
a) Diagonal lines
b) Curved lines
c) Straight lines
d) Slanting lines
93. The world ‘programming’ means taking decisions___________.
a) Systematically
b) Rapidly
c) Slowly
d) Instantly
94. Who originally called it ‘Programming of interdependent activities in a linear structure’ but la
shortened it to ‘Linear Programming’?
a) Dantzig
b) Kantorovich
c) Marshall
d) None of the above
95. LP can be applied in farm management problems is relates to the allocation of resources such as
_________, in such a way that is maximizes net revenue.
a) Acreage
b) Labour
c) Water supply or working capital
d) All of the above
Examination Paper of Operations Research Professional
14
IIBM Institute of Business Management
96. LP model is based on the assumptions of _________.
a) Proportionality
b) Additivity
c) Certainty
d) All of the above
97. __________assumption means the prior knowledge of all the coefficients in the objective
function, the coefficients of the constraints and the resource values.
a) Proportionality
b) Certainty
c) Finite choices
d) Continuity
98. Simple linear programming problem with ________ variables can be easily solved by the
graphical method.
a) One decision
b) Four decisions
c) Three decisions
d) Two decisions
99. Any solution to a LPP which satisfies the non‐ negativity restrictions of the LPP is called
its _________.
a) Unbounded solution
b) Optimal solution
c) Feasible solution
d) Both A and B
100. Any feasible solution which optimizes (minimizes or maximizes) the objective function of the
LPP is called its__________.
a) Optimal solution
b) Non‐basic variables
c) Solution
d) Basic feasible solution
No comments:
Post a Comment