Operations Research MCQs Quiz Multiple Choice Questions & Answers Page 2

51. For analyzing the problem, decision – makers should normally study

1. Its qualitative aspects
2. Its quantitative aspects
3. Both A and B
4. Neither A and B

52. For maximization in TP, the objective is to maximize the total

1. Solution
2. Profit Matrix
3. Profit
4. None of the above

53. For solving an assignment problem, which method is used?

1. Hungarian
2. American
3. German
4. Both are incorrect

54. Graphic method can be applied to solve a LPP when there are only............variable

1. One
2. More than One
3. Two
4. Three

55. How many methods are there to solve LPP?

1. Three
2. Two
3. Four
4. None of the above

56. If demand is lesser than supply then dummy demand node is added to make it a

1. Simple problem
2. Balanced problem
3. Transportation problem
4. None of the above

57. If in a LPP, the solution of a variable can be made infinity large without violating the constrai the solution is..................nts

1. Infeasible
2. Unbounded
3. Alternative
4. None of the above

58. If the feasible region of a LPP is empty, the solution is

1. Infeasible
2. Unbounded
3. Alternative
4. None of the above

59. If the total supply is less than the total demand, a dummy source (row) is included in the cost matrix with

1. Dummy Demand
2. Dummy Supply
3. Zero Cost
4. Both A and B

60. If there are m original variables and n introduced variables, then there will be............columns in the simplex table

1. M + n
2. M – n
3. 3 +m + n
4. M + n – 1

61. If there are more than one optimum solution for the decision variable the solution is

1. Infeasible
2. Unbounded
3. Alternative
4. None of the above

62. In a manufacturing process, who takes the decisions as to what quantities and which process or processes are to be used so tha the cost is minimum and profit is maximum?

1. Supervisor
2. Manufacturer
3. Producer
4. Production manager

63. In a TP if the number of non.negative independent allocation is.........................than m+n.1.

1. Equivalent
2. Greater
3. Less
4. None of the above

64. In LPP, degeneracy occurs in...............stages

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

65. In maximization cases,............are assigned to the artificial variables as their coefficients in the objective function

1. #NAME?
2. –m
3. None of the above

66. In simplex algorithm, which method is used to deal with the situation where an infeasible starting basic solution is given?

1. Slack variable
2. Simplex method
3. M. method
4. None of the above

67. In simplex method, if there is tie between a decision variable and a slack (or surplus) variable,................should be selected

1. Slack variable
2. Surplus variable
3. Decision variable
4. None of the above

68. In simplex method, we add...............variables in the case of =

1. Slack Variable
2. Surplus Variable
3. Artificial Variable
4. None of the above

69. In which phase is optimization done and how does that phase also checks for optimality conditions?

1. Phase II
2. Phase I
3. Phase II
4. None of the above

70. In.................models there is risk and uncertainty

1. Deterministic Models
2. Probabilistic Models
3. Both A and B
4. None of the above

71. In..........models, everything is defined and the results are certain,

1. Deterministic Models
2. Probabilistic Models
3. Both A and B
4. None of the above

72. In.........models one set of properties is used to represent another set of properties

1. Iconic Models
2. Analogue Models
3. Symbolic Models
4. None of the above

73. It is not easy to make any modification or improvement in

1. Iconic Models
2. Analogue Models
3. Symbolic Models
4. None of the above

74. Key concept under which technique are network of events and activities, resource allocation, time and cost considerations, network paths and critical paths ?

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

75. Linear programming has been successfully applied in

1. Agricultural
2. Industrial applications
3. Both A and B
4. Manufacturing

76. Linear Programming technique is used to allocate scarce resources in an optimum manner in problems of

1. Schedule
2. Product Mix
3. Both A and B
4. Servicing Cost

77. 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

1. Acreage
2. Labour
3. Water supply or working capital
4. All of the above

78. LP is a major innovation since.........................in the field of business decision – making, particularlyunder conditions of certainty.

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

79. LP model is based on the assumptions of

1. Proportionality
2. Additivity
3. Certainty
4. All of the above

80. LPP is exactly used in solving what kind of resource allocation problems?

1. Production planning and scheduling
2. Transportation
3. Sales and advertising
4. All of the above

81. MODI method is used to obtain

1. Optimal solutions
2. Optimality test
3. Both A and B
4. Optimization

82. Once the initial basic feasible solution has been computed, what is the next step in the problem

1. VAM
2. Modified distribution method
3. Optimality test
4. None of the above

83. One can find the initial basic feasible solution by using..............?

1. VAM
2. MODI
3. Optimality test
4. None of the above

84. Operations Research approach is

1. Multi.disciplinary
2. Scientific
3. Initiative
4. All of the above

85. Operations Research approach is typically based on the use of

1. Physical model
2. Mathematical model
3. Iconic model
4. Descriptive model

86. Operations Research attempts to find the best and............solution to a problem

1. Optimum
2. Perfect
3. Degenerate
4. None of the above

87. Operations Research cannot give perfect.................to problems

1. Answers
2. Solutions
3. Both A and B
4. Decisions

88. Operations Research emphasizes on the overall approach to the system. This charecteristics of Operations Research is often referred as

1. System Orientation
2. System Approach
3. Interdisciplinary Team Approach

89. Operations Research has the characteristics the it is done by a team of

1. Scientists
2. Mathematicians
3. Academics
4. All of the above

90. Operations Research involves..................attack of complex problems to arrive at the optimum solution

1. Scientific
2. Systematic
3. Both A and B
4. Statistical

91. Operations Research is a

1. Science
2. Art
3. Mathematics
4. Both A and B

92. Operations Research simply helps in improving the.............of the solution but does not result in a perfect solution.

1. Quality
2. Clarity
3. Look
4. None of the above

93. Operations Research study generally involves how many phases ?

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

94. Operations Research techniques helps the directing authority in optimum allocation of various limited resources, such as

1. Men and Machine
2. Money
3. Material and Time
4. All of the above

95. Operations Research uses models built by quantitative measurement of the variables c a given problem and also derives a solution from the model using............of the diversified solution techniques oncerning

1. Two or more
2. One or more
3. Three or more
4. Only One

96. Operations Research uses models to help the management to determine its scientifically

1. Policies
2. Actions
3. Both A and B
4. None of the above

97. Operations Research was known as an ability to win a war without really going in to a

1. Battle field
2. Fighting
3. War
4. Both A and B

98. Optimal solution is a feasible solution (not necessarily basic) which minimizes the

1. Time taken
2. Partial cost
3. Total cost
4. None of the above

99. Optimality conditions are expressed as............incase all non.basic cells?

1. Negligent costs
2. Advanced costs
3. Reduced costs
4. None of the above

100. Please state which statement is incorrect. (i) Linear programming was first formulated by an English economist L.V. Kantorovich (ii) LP is generally used in solving maximization or minimization problems subject to certain assumptions.

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