11. The application of OR techniques involves ………… approach
Correct : B. team
12. OR techniques helps to find ………..solution
Correct : C. optimal
13. Modern scientific management research originated during ……
Correct : A. world war ii
14. ………. helps management to evaluate alternative course of action for selecting the best
course of action
Correct : A. operations research
15. ………. Theory is an important operations research technique to analyze the queuing
behaviour.
Correct : A. waiting line
16. ……….. is an important Operations research technique to be used for determining
optimal allocation of limited resources to meet the given objectives.
Correct : D. linear programming
17. ………… model involves all forms of diagrams
Correct : A. iconic
18. An organization chart is an example of
Correct : C. analogue
19. …. Is known as symbolic model
Correct : B. mathematical
20. A map indicates roads, highways, towns and the interrelationship is an ……model
Correct : C. analogue
21. ………..models in which the input and output variables follow a probability distribution.
Correct : D. deterministic model
22. ………. Example of probabilistic model
Correct : A. game theory
23. ………..is a method of analyzing the current movement of the same variable in an effort
to predict the future movement of the same variable.
Correct : B. markov analysis
24. Constraints in an LP model represent
Correct : D. all of the above
25. Linear programming is a
Correct : D. all of the above
26. A constraint in an LP model restricts
Correct : D. all of the above
27. The best use of linear programming technique is to find an optimal use of
Correct : D. all of the above
28. Which of the following as an assumption of an LP model
Correct : D. all of the above
29. Most of the constraints in the linear programming problem are expressed as ……….
Correct : B. inequality
30. The graphical method of LP problem uses
Correct : D. all the above
31. A feasible solution to a linear programming problem
Correct : A. must satisfy all problem constraints simultaneously
32. While plotting constraints on a graph paper, terminal points on both axes are connected
by a straight line because
Correct : C. the constraints are linear equations or in equalities
33. Constraints in LP problem are called active if they
Correct : A. represent optimal solution
34. The solution space of a LP problem is unbounded due to
Correct : C. neither (a) nor (b)
35. While solving LP problem graphically, the area bounded by the constraints is called
Correct : A. feasible region
36. Which of the following is not a category of linear programming problems?
Correct : D. all of the above are categories of linear programming problems.
37. A linear programming model does not contain which of the following components?
Correct : D. a spread sheet
38. Which of the following may not be in a linear programming formulation?
Correct : B. >.
39. While solving an LP problem infeasibility may be removed by
Correct : C. removing a constraint
40. Straight lines shown in a linear programming graph indicates
Correct : B. constraints
41. All negative constraints must be written as
Correct : C. greater than or equal to
42. In linear programming problem if all constraints are less than or equal to, then the
feasible region is
Correct : B. below the lines
43. ………. is a series of related activities which result in some product or services.
Correct : A. network
44. An event which represents the beginning of more than one activity is known as
………..event.
Correct : C. burst
45. If two constraints do not intersect in the positive quadrant of the graph, then
Correct : D. none of the above
46. Constraint in LP problem are called active if they
Correct : A. represent optimal solution
47. Alternative solutions exists of an LP model when
Correct : B. objective function equation is parallel to one of the constraints
48. While solving an LP problem, infeasibility may be removed by
Correct : C. removing a constraint
49. ………..is that sequence of activities which determines the total project time.
Correct : B. critical path
50. Activities lying on the critical path are called………….
Correct : C. critical activities
51. It ………. at which an activity can start.
Correct : A. est
52. ………… is the earliest starting time plus activity time.
Correct : B. eft
53. ………. is the latest time by which an activity can be started without delaying the
completion of the project.
Correct : C. lst
54. ……….is the latest time by which an activity can be finished without delaying the
completion of the project.
Correct : D. lft
55. ……………is the duration by which an activity can be delayed without delaying the
project
Correct : B. total float
56. ……… is the time by which the completion of an activity can be delayed beyond its
earliest finish time without affecting the earliest start time of a succeeding activity
Correct : C. free float
57. ……….is activity oriented.
Correct : A. cpm
58. ………. is event oriented.
Correct : B. pert
59. PERT emphasis on ………..
Correct : A. time
60. Full form of PERT is
Correct : B. programme evaluation review technique
61. …….. is a scheme or design of something intended or device.
Correct : C. network
62. An activity which must be completed before one or more other activities start is known
as …………activity.
Correct : B. predecessor
63. The event is commonly represented by …… in network diagram
Correct : A. nodes
64. …….is the disconnection of an activity before the completion of activities in a project
network diagram.
Correct : C. dummy
65. …………..is an activity oriented diagram.
Correct : A. cpm
66. ………… is the duration by which an activity can be delayed without delaying the
project.
Correct : A. total float
67. ………is the shortest possible time in which an activity can be delayed without
delaying the project.
Correct : B. optimistic time estimate
68. Which of the following is not a part of decision tree problem specification?
Correct : C. evpi
69. If a decision theory problem has 3 decision alternatives and 4 states of nature, the
number of payoffs in that problem will be
Correct : C. 12
70. In a decision theory problem under complete uncertainty, which one of the following
approaches will not be possible?
Correct : A. expected monetary value
71. For decision making under uncertainty, identify the decision rule that is appropriate
for the optimist.
Correct : B. maximax
72. What decision-making condition must exist for the decision tree to be a valuable tool?
Correct : C. risk
73. Which of the following is (are) types of decision-making environments?
Correct : B. decision making under certainty
74. A good decision always implies that
Correct : D. have followed a logical process.
75. All of the following are steps in the decision-making process EXCEPT
Correct : D. compute the posterior probabilities.
76. The equally likely decision criteria is also known as
Correct : B. laplace
77. Opportunity loss refers to
Correct : C. the difference between actual pay off and the optimal pay off
78. The criteria of expected monetary value is used for making decisions under
Correct : D. all of the above
79. The maximax criteria is……..
Correct : C. pessimistic
80. Which of the following might be viewed as an optimistic decision criterion?
Correct : C. maximax
81. The minimum EOL will always result in the same decision as
Correct : C. maximum emv
82. Decision theory is concerned with
Correct : D. all of the above
83. Which of the following criterion is not used for decision making under uncertainty?
Correct : D. minimize expected loss
84. The minimum expected opportunity loss is
Correct : D. both (a) and (b)
85. The expected value of perfect information is equal to
Correct : A. eppi – minimum emv
86. The value of the coefficient of optimism is needed while using the criterion of
Correct : C. realism
87. while using Hurwicz criterion, the coefficient of realism
Correct : A. represents the degree of optimism
88. The decision making criteria that should be used to achieve maximum long term pay off is
Correct : B. emv
89. Game theory models are classified by the
Correct : D. all of the above
90. The objective of network analysis is to
Correct : A. minimize total project duration
91. The initial solution of a transportation problem can be obtained by applying any
known method. But the only condition is
Correct : B. the rim conditions are satisfied
92. When total supply is equal to total demand in a transportation problem , the problem is
said to be
Correct : A. balanced
93. The term “Operation Research” was coined by :
Correct : A. Mc Closky and Trefthen
94. Management Science came into existence in a ................... context.
Correct : C. Military
95. By the beginning of ........................., the industries in USA realised the importance of
Management Science in solving business and management problems.
Correct : C. 1950s
96. In India, Operations Research came into existence in the year ..............
Correct : C. 1949
97. In India, first Operations Research unit was set up at .................................
Correct : A. Regional Research Laboratory, Hyderabad
98. In India, first Operations Research application was made by ...........................
Correct : B. Prof. Mahalonobis
99. Operations Research Society of India was formed in the year ..................
Correct : C. 1957
100. Who defined Operations Research as “the art of giving bad answers to problems which otherwise
have worse answers”?