81. The minimum EOL will always result in the same decision as
A. minimax
B. maximin
C. maximum emv
D. maximax
Answer
C. maximum emv
82. Decision theory is concerned with
A. methods of arriving at an optimal decision
B. selecting optimal decision in sequential manner
C. analysis of information that is available
D. all of the above
Answer
D. all of the above
83. Which of the following criterion is not used for decision making under uncertainty?
A. maximin
B. maximax
C. minimax
D. minimize expected loss
Answer
D. minimize expected loss
84. The minimum expected opportunity loss is
A. equal to evpi
B. minimum regret
C. equal to emv
D. both (a) and (b)
Answer
D. both (a) and (b)
85. The expected value of perfect information is equal to
A. eppi – minimum emv
B. eppi + maximum emv
C. maximum eol
D. none of the above
Answer
A. eppi – minimum emv
86. The value of the coefficient of optimism is needed while using the criterion of
A. equally likely
B. maximin
C. realism
D. maximin
Answer
C. realism
87. while using Hurwicz criterion, the coefficient of realism
A. represents the degree of optimism
B. represents the degree of pessimism
C. is the probability of state of nature
D. none of the above
Answer
A. represents the degree of optimism
88. The decision making criteria that should be used to achieve maximum long term pay off is
A. eol
B. emv
C. hurwicz
D. maximax
Answer
B. emv
89. Game theory models are classified by the
A. number of players
B. sum of all payoff
C. number of strategies
D. all of the above
Answer
D. all of the above
90. The objective of network analysis is to
A. minimize total project duration
B. minimize total project cost
C. minimize production delays, interruption and conflicts
D. all of the above
Answer
A. minimize total project duration
91. The initial solution of a transportation problem can be obtained by applying anyknown method. But the only condition is
A. the solution be optimal
B. the rim conditions are satisfied
C. the solution not be degenerate
D. all of the above
Answer
B. the rim conditions are satisfied
92. When total supply is equal to total demand in a transportation problem , the problem issaid to be
A. balanced
B. unbalanced
C. degenerate
D. none of the above
Answer
A. balanced
93. The term “Operation Research” was coined by :
A. Mc Closky and Trefthen
B. Arthur Clark
C. Churchman, Ackoff and Arnoff
D. George B Dantzig
Answer
A. Mc Closky and Trefthen
94. Management Science came into existence in a ___ context.
A. Business
B. Academic
C. Military
D. Religious
Answer
C. Military
95. By the beginning of ___. ., the industries in USA realised the importance ofManagement Science in solving business and management problems.
A. 1930s
B. 1940s
C. 1950s
D. 1960s
Answer
C. 1950s
96. In India, Operations Research came into existence in the year ___
A. 1940
B. 1947
C. 1949
D. 1950
Answer
C. 1949
97. In India, first Operations Research unit was set up at ___ ___
A. Regional Research Laboratory, Hyderabad
B. Indian Statistical Institute, Kolkotha
C. Indian Institute of Science and Technology, Bengaluru
D. Indian Institute of Science and Technology, Mohali
Answer
A. Regional Research Laboratory, Hyderabad
98. In India, first Operations Research application was made by ___
A. Pranab K Sen
B. Prof. Mahalonobis
C. Samarendra Nath Roy
D. Raghu Raj Bahadur
Answer
B. Prof. Mahalonobis
99. Operations Research Society of India was formed in the year ___
A. 1950
B. 1955
C. 1957
D. 1960
Answer
C. 1957
100. Who defined Operations Research as “the art of giving bad answers to problems which otherwisehave worse answers”?
A. H M Wagner
B. H A Taha
C. T L Saaty
D. Arthur Clark
Answer
C. T L Saaty
101. ___ defined Operations Research as “the art of winning wars without actually fighting.”
A. H M Wagner
B. H A Taha
C. T L Saaty
D. Arthur Clark
Answer
D. Arthur Clark
102. Operations Research is a very powerful tool for ___.
A. Operations
B. Research
C. Decision making
D. None of these
Answer
C. Decision making
103. Who defined Operations Research as scientific approach to problem solving for executivemanagement.
A. E L Arnoff
B. H M Wagner
C. Churchman
D. None of these
Answer
B. H M Wagner
104. The term “Operations Research” was coined in the year ___
A. 1930
B. 1940
C. 1950
D. 1960
Answer
B. 1940
105. The innovative science of Operations Research was discovered during ___
A. Civil war
B. World war I
C. World war II
D. Industrial Revolution
Answer
C. World war II
106. Operations Research has the characteristic that it is done by a team of ___
A. Scientists
B. Mathematicians
C. Academicians
D. Politicians
Answer
A. Scientists
107. Operations Research emphasises on the overall approach to the system. This characteristic ofOperations Research is often referred to as ___ ___
A. System orientation
B. System approach
C. Inter-disciplinary
D. Team approach
Answer
D. Team approach
108. Operations Research cannot give perfect ___ to the problem.
A. Answers
B. Solutions
C. Both a and b
D. Decisions
Answer
C. Both a and b
109. ___ ___ models involve the allocation of resources to activities in such a way that somemeasure of effectiveness is optimised.
A. Sequencing
B. Allocation
C. Queuing theory
D. Decision theory
Answer
B. Allocation
110. In ___ models, everything is defined and the results are certain.
A. Probabilistic
B. Deterministic
C. Both a and b
D. None of these
Answer
B. Deterministic
111. ___. . models involve more risks and uncertainties.
A. Probabilistic
B. Deterministic
C. Both a and b
D. None of these
Answer
A. Probabilistic
112. ___. . models are obtained by enlarging or reducing the size of the items.
A. Iconic models
B. Analogue models
C. Symbolic models
D. None of these
Answer
A. Iconic models
113. The word ___ may be defined as some actions that we apply to some problems orhypothesis.
A. Research
B. Operations
C. Both a and b
D. None of these
Answer
B. Operations
114. ___ are representations of reality.
A. Phases
B. Models
C. Both a and b
D. None of these
Answer
B. Models
115. ___. .are called mathematical models.
A. Iconic models
B. Symbolic models
C. Analogue models
D. None of these
Answer
B. Symbolic models
116. Probabilistic models are also called ___
A. Deterministic models
B. Dynamic models
C. Stochastic models
D. None of these
Answer
C. Stochastic models
117. ___. models assume that the values of the variables do not change with time during aparticular period.
A. Dynamic
B. Static
C. Both a and b
D. None of these
Answer
B. Static
118. ___ models consider time as one of the important variable.
A. Dynamic
B. Static
C. Botha and b
D. None of these
Answer
A. Dynamic
119. ___. may be defined as a method of determining an optimal program of interdependentactivities in view of available resources.
A. Goal programming
B. Linear programming
C. Decision making
D. None of these
Answer
B. Linear programming
120. ___ are expressed in the form of equations
A. Objectives
B. Constraints
C. Both a and b
D. None of these
Answer
B. Constraints
