Operations Research MCQs Quiz Multiple Choice Questions & Answers Page 3

101. Please state which statement is true. (i) All linear programming problems may not have unique solutions (ii) The artificial variable technique is not a device that does not get the starting basic feasible solution.

1. Both (i) and( ii)
2. (ii) only
3. (i) only
4. Both are incorrect

102. Probabilistic models are also known as

1. Deterministic Models
2. Stochastic Models
3. Dynamic Models
4. Static Models

103. Process refers to the combination of.........................inputs to produce a particular output.

1. one or more
2. two or more
3. one
4. None of the above

104. Replacement Model is a.................model

1. Static Models
2. Dynamic Models
3. Both A and B
4. None of the above

105. Simple linear programming problem with...............variables can be easily solved by the graphical method.

1. One decision
2. Four decisions
3. Three decisions
4. Two decisions

106. State which of the two statements is correct (i) the cells in the transportation table can be classified in to occupied cells and unoccupied cells (ii) optimal solution is a feasible solution (not necessarily basic ) which maximizes the total cost

1. both (i) and (ii) are correct
2. Two only
3. One only
4. Both (i) and (ii) are incorrect

107. The allocated cells in the transportation table are called

1. Occupied cells
2. Empty cells
3. Both A and B
4. Unoccupied cells

108. The issue of decision models

1. Is possible when the variables value is
2. Reduces the scope of judgment and intuition known with certainty in decision making
3. Requires the knowledge of computer software use
4. None of the above

109. The objective functions and constraints are linear relationship between

1. Variables
2. Constraints
3. Functions
4. All of the above

110. The operations Research technique which helps in minimizing total waiting and service costs is

1. Queuing Theory
2. Decision Theory
3. Both A and B
4. None of the above

111. The operations Research technique, specially used to determine the optimum strategy is

1. Decision Theory
2. Simulation
3. Game Theory
4. None of the above

112. The quantitative approach to decision analysis is a

1. Logical approach
2. Rational approach
3. Scientific approach
4. All of the above

113. The solution need not be in.................numbers

1. Prime Number
2. Whole Number
3. Complex Number
4. None of the above

114. The solution of any transportation problem is obtained in how many stages?

1. Five
2. Four
3. Three
4. Two

115. The term linearity implies..........among the relevant variables:

1. Straight line
2. Proportional relationships
3. Linear lines
4. Both A and B

116. The term Operations Research was coined in the year

1. 1950
2. 1940
3. 1978
4. 1960

117. The variables whose coefficient vectors are unit vectors are called

1. Unit Variables
2. Basic Variables
3. Non basic Variables
4. None of the above

118. The word............may be defined as some action that we apply to some problems or hypothesis.

1. Research
2. Operation
3. Both A and B
4. None of the above

119. The world Linear means that the relationships are represented by

1. Diagonal lines
2. Curved lines
3. Straight lines
4. Slanting lines

120. The world programming means taking decisions

1. Systematically
2. Rapidly
3. Slowly
4. Instantly

121. There is a great scope for.........................working as a team to solve problems of defence by using the Operations Research approach

1. Economists
2. Administrators
3. Statisticians and Technicians
4. All of the above

122. This innovative science of Operations Research was discovered during

1. Civil War
2. World War I
3. World War II
4. Industrial Revolution

123. This method of formal calculations often termed as Linear Programming was developed later in which year?

1. 1947
2. 1988
3. 1957
4. 1944

124. To find the optimal solution, we apply.........

1. LPP
2. VAM
3. MODI Method
4. Rim

125. To make an unbalanced assignment problem balanced, what are added with all entries aszeroes?

1. Dummy rows
2. Dummy columns
3. Both A and B
4. Dummy entries

126. Transportation algorithm can be used for minimizing the transportation cost of.........................fromO origins and D destinations

1. Goods
2. Products
3. Items
4. None of the above

127. VAM stands for............

1. Vogeals Approximation Method
2. Vogels Approximate Method
3. Vangels Approximation Method
4. Vogels Approximation Method

128. What aims at optimizing inventory levels?

1. Inventory Control
2. Inventory Capacity
3. Inventory Planning
4. None of the above

129. What are the main questions before a production manager?

1. Which commodity/ commodities to produce
2. In what quantities
3. By which process or processes
4. All of the above

130. What can be defined as a useful idle resource which has economic value eg; raw materials, spare parts, finished items, etc?

1. Inventory Control
2. Inventory
3. Inventory Planning
4. None of the above

131. What do we apply in order to determine the optimum solution ?

1. LPP
2. VAM
3. MODI Method
4. None of the above

132. 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?

1. Programme Evaluation
2. Review Technique (PERT)
3. Both A and B
4. Deployment of resources

133. What has always been very important in the business and industrial world, particularly with regard to problems concerning productions of commodities?

1. Linear Programming
2. Production
3. Decision – making
4. None of the above

134. What have been constructed for Operations Research problems and methods for solving the models that are available in many cases?

1. Scientific Models
2. Algorithms
3. Mathematical Models
4. None of the above

135. What is also defined as the non.negative variables which are added in the LHS of the constraint to convert the inequality < into an equation?

1. Slack variables
2. Simplex algorithm
3. Key element
4. None of the above

136. What is being considered as one of the most versatile management tools?

1. Electronic Computers
2. Linear Programming
3. Computer Programming
4. None of the above

137. What is concerned with the prediction of replacement costs and determination of the most economic replacement policy ?

1. Search Theory
2. Theory of replacement
3. Probabilistic Programming
4. None of the above

138. What refers to Linear Programming that includes an evaluation of relative risks and uncertainties in various alternatives of choice for management decisions ?

1. Probabilistic Programming
2. Stochastic Programming
3. Both A and B
4. Linear Programming

139. Which method is an iterative procedure for solving LPP in a finite number of steps ?

1. Simplex algorithm
2. Slack variable
3. M method
4. Simplex method

140. Which technique is used in finding a solution for optimizing a given objective, such as profit maximization or cost minimization under certain constraints?

1. Quailing Theory
2. Waiting Line
3. Both A and B
4. Linear Programming

141. Which technique is used to imitate an operation prior to actual performance ?

1. Simulation
2. Integrated Production Models
3. Inventory Control
4. Game Theory

142. Which theory concerns making sound decisions under conditions of certainity, risk and uncertainty

1. Game Theory
2. Network Analysis
3. Decision Theory
4. None of the above

143. Which variables are fictitious and cannot have any physical meaning ?

1. Optimal variable
2. Decision variable
3. Artificial variable
4. None of the above

144. 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 ?

1. C. Kitte
2. H.M. Wagner
3. E.L. Arnoff
4. None of the above

145. Who defined Operations Research as scientific approach to problem solving for executive management ?

1. E.L. Arnoff
2. P.M.S. Blackett
3. H.M. Wagner
4. None of the above

146. Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their control?

1. Morse and Kimball (1946)
2. P.M.S. Blackett (1948)
3. E.L. Arnoff and M.J. Netzorg
4. None of the above

147. Who developed Linear Programming for the purpose of scheduling the complicated procurement activities of the United States Air Force?

1. George B. Dantzig
2. James B. Dantzig
3. George B. Dante
4. George V. Dantzig

148. Who invented a method of formal calculations often termed as ?

1. A.V. Kantorovich
2. L.V. Kantorovich
3. T.S. Kantorovich
4. Alfred Marshall

149. Who originally called it Programming of interdependent activities in a linear structure but la shortened it to Linear Programming ?ter

1. Dantzig
2. Kantorovich
3. Marshall
4. None of the above

150. 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 mnimum possible?

1. Alan Marshall
2. Alfred Marsh
3. Alfred Marshall
4. None of the above