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MULTIPLE CHOICE QUESTIONS ON MANAGEMENT SCIENCE
- The term “Operation Research” was coined by :
- Mc Closky and Trefthen
- Arthur Clark
- Churchman, Ackoff and Arnoff
- George B Dantzig
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- Management Science came into existence in a ................. context.
- Business
- Academic
- Military
- Religious
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- By the beginning of ................., the industries in USA realised the importance of Management Science in solving business and management problems.
- 1930s
- 1940s
- 1950s
- 1960s
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- In India, Operations Research came into existence in the year ............
- 1940
- 1947
- 1949
- 1950
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- In India, first Operations Research unit was set up at .................
- Regional Research Laboratory, Hyderabad
- Indian Statistical Institute, Kolkotha
- Indian Institute of Science and Technology, Bengaluru
- Indian Institute of Science and Technology, Mohali
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- In India, first Operations Research application was made by .................
- Pranab K Sen
- Prof. Mahalonobis
- Samarendra Nath Roy
- Raghu Raj Bahadur
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- Operations Research Society of India was formed in the year ............
- 1950
- 1955
- 1957
- 1960
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- Who defined Operations Research as "the art of giving bad answers to problems which otherwise have worse answers"?
- H M Wagner
- H A Taha
- T L Saaty
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- ................. defined Operations Research as "the art of winning wars without actually fighting."
- H M Wagner
- H A Taha
- T L Saaty
- Arthur Clark
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- Operations Research is a very powerful tool for .................
- Operations
- Research
- Decision making
- None of these
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- Who defined Operations Research as scientific approach to problem solving for executive management.
- E L Arnoff
- H M Wagner
- Churchman
- None of these
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- The term "Operations Research” was coined in the year .................
- 1930
- 1940
- 1950
- 1960
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- The innovative science of Operations Research was discovered during .................
- Civil war
- World war I
- World war II
- Industrial Revolution
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- Operations Research has the characteristic that it is done by a team of .................
- Scientists
- Mathematicians
- Academicians
- Politicians
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- Operations Research emphasises on the overall approach to the system. This characteristic of Operations Research is often referred to as .................
- System orientation
- System approach
- Inter-disciplinary
- Team approach
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- Operations Research cannot give perfect ................. to the problem.
- Answers
- Solutions
- Both a and b
- Decisions
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- ................ models involve the allocation of resources to activities in such a way that some measure of effectiveness is optimised.
- Sequencing
- Allocation
- Queuing theory
- Decision theory
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- In ................. models, everything is defined and the results are certain.
- Probabilistic
- Deterministic
- Both a and b
- None of these
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- ................ models involve more risks and uncertainties.
- Probabilistic
- Deterministic
- Both a and b
- None of these
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- ................ models are obtained by enlarging or reducing the size of the items.
- Iconic models
- Analogue models
- Symbolic models
- None of these
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- The word ................. may be defined as some actions that we apply to some problems or hypothesis.
- Research
- Operations
- Both a and b
- None of these
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- ................ are representations of reality.
- Phases
- Models
- Both a and b
- None of these
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- ................ are called mathematical models.
- Iconic models
- Symbolic models
- Analogue models
- None of these
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- Probabilistic models are also called .................
- Deterministic models
- Dynamic models
- Stochastic models
- None of these
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- ................ models assume that the values of the variables do not change with time during a particular period.
- Dynamic
- Static
- Both a and b
- None of these
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- ................ models consider time as one of the important variable.
- Dynamic
- Static
- Both a and b
- None of these
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- ................ may be defined as a method of determining an optimal program of interdependent activities in view of available resources.
- Goal programming
- Linear programming
- Decision making
- None of these
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- ................ are expressed in the form of equations
- Objectives
- Constraints
- Both a and b
- None of these
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- If there are more than one optimal solutions for the decision variables, the solution is .................
- Infeasible
- Unbounded
- Alternative
- None of these
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- Dual of the dual is a .................
- Dual
- Primal
- Alternative
- None of these
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- The quantitative approach to decision analysis is a .................
- Logical approach
- Rational approach
- Scientific approach
- All of the above
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- A model is a .................
- An essence of reality
- An approximation
- An idealisation
- All of the above
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- The dummy source/destination in a transportation problem is added to .................
- Satisfy rim constraints
- Prevent solution from becoming degenerate
- Ensure total cost does not exceed a limit
- None of the above
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- The solution to a transportation problem with 'm' rows and 'n' columns is feasible if the number of positive allocations are:
- m + n
- m x n
- m + n - 1
- m + n + 1
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- The method used for solving an assignment problem is:
- Reduced matrix method
- MODI method
- Hungarian method
- None of these
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- An assignment problem can be solved by .................
- Simplex method
- Transportation method
- Both a and b
- None of these
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- For salesman who has to visit 'n' cities, which of the following are the ways of his tour plans:
- n!
- (n+1)!
- (n-1)!
- n
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- The assignment problem is:
- Requires that only one activity be assigned to each resource
- Is a special case of transportation problem
- Can be used to maximise resource
- All the above
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- The Hungarian method for solving an assignment problem can also be used to solve:
- A transportation problem
- A travelling salesman problem
- A linear programming problem
- Both a and b
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- All the parameters in the linear programming model are assumed to be .................
- Variables
- Constraints
- Functions
- None of these
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- Graphic method can be applied to solve a liner programming problem when there are only ................. variables
- A one
- Two
- Three
- More than three
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- If the feasible region of a linear programming problem is empty, the solution is .................
- Unbounded
- Infeasible
- Infeasible
- Alternative
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- The variables whose coefficient vectors are unit vectors, are called .................
- Unit variables
- Basic variables
- Non-basic variables
- None of these
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- Any column or row of a simplex table is known as .................
- Key column
- Key row
- Vector
- None of these
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- ................ is considered as the pioneer of Linear Programming Technique.
- churchman
- D W Miller
- James Lundy
- George B Dantzig
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- A minimisation problem can be connected into maximisation problem by changing the signs of coefficients in the .................
- Constraints
- Objectives
- Both a and b
- None of these
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- In an LPP, if the solution of a variable can be made infinitely large without violating the constraints, then the solution is .................
- Infeasible
- Alternative
- Unbounded
- Unique
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- In maximisation cases, ................. are assigned to the artificial variables as their coefficients in the ................. function.
- + m
- - m
- 0
- None of these
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- In simplex method, we add ................. in the case of constraints with sign "="
- Surplus variable
- Artificial variable
- Slack variable
- None of these
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- In simplex method, ................. should be selected when there is tie between slack/surplus variable and decision variable.
- Slack variable
- Decision variable
- Surplus variable
- None of these
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- When at least one of the basic variables is zero, then the basic feasible solution to a Linear Programming Problem is said to be .................
- Infeasible
- Unbounded
- Degenerate
- Non-degenerate
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- In Linear Programming Problem, degeneracy occurs in ................. stages.
- One
- Two
- Three
- Four
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- Every Linear Programming Problem is related to another Linear Programming Problem, called .................
- Primal
- Dual
- Non-linear Programming
- None of these
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- In a maximisation assignment problem, the objective is to maximise .................
- Profit
- Cost
- Optimisation
- None of these
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- Operations Research does not give perfect solution to a problem, but it helps to improve the ................. of the solution.
- Quality
- Clarity
- Look
- None of these
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- Operations Research makes a ................. attack on complex problems to arrive at optimal solution.
- Scientific
- Systematic
- Both a and b
- None of these
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- Operations Research uses models to help the management in determining its ................. scientifically.
- Policies
- Actions
- Both a and b
- None of these
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- Operations Research is a .................
- Science
- Art
- Both a and b
- None of these
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- ................ deals with making sound decisions under conditions of certainty, risk and uncertainty.
- Game theory
- Network analysis
- Decision theory
- None of these
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- ................ deals with the concepts such as critical path, float, events, etc.
- Game theory
- Decision theory
- Queuing theory
- Network analysis
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- ................ is used to imitate an operation prior to actual performance.
- Inventory control
- Simulation
- Game theory
- Integrated Production Model
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- ................ is concerned with determination of the most economic replacement policy.
- Probabilistic programming
- Linear programming
- Search theory
- Replacement theory
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- The O R technique which helps in minimising total waiting and service cost is:
- Game theory
- Queuing theory
- Both a and b
- Decision theory
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- Linear Programming technique is a:
- Constrained optimisation technique
- Technique for economic allocation of resources
- Mathematical technique
- All of the above
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- A constraint in a Linear Programming Model restricts:
- Value of objective function
- Value of decision variable
- Use of available resources
- All of the above
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- Before formulating a formal LP model, it is better to:
- Verbally identify decision variables
- Express the objective function in words
- Express each constraint in words
- All of the above
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- Linear Programming Technique helps to find an optimal use of:
- Machine
- Money
- Manpower
- All of the above
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- Which of the followings is an assumption of Linear Programming Technique?
- Divisibility
- Additivity
- Proportionality
- All of the above
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- Which of the following is true with regard to a Linear Programming Model?
- No guarantee to get integer valued solution
- The relationship among decision variables is liner
- Both a and b
- None of the these
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- The graphical method if LPP uses:
- Linear equations
- Constraint equations
- Objective function
- All of the above
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- Constraints in an LPP are treated as active, if they:
- Do not consume all the available resources at optimality
- Represent optimal solution
- Both a and b
- None of these
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- While solving a LPP graphically, the area bounded by constraints is called .................
- Feasible region
- Infeasible region
- Unbounded region
- None of these
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- While solving an LPP, infeasibility may be removed by:
- Removing a variable
- Removing a constraint
- Adding a variable
- Adding a constraint
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- ................ variables are fictitious and cannot have any physical meaning.
- Slack variables
- Surplus variables
- Artificial variables
- Decision variables
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- An optimal solution is considered as the ................. among the feasible solutions.
- Worst
- Best
- Ineffective
- None of these
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- ................ method is used to solve an assignment problem.
- American method
- Hungarian method
- German method
- British method
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- The allocated cells in the transportation table are called .................
- Occupied cells
- Empty cells
- Unoccupied cells
- None of these
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- In transportation Problems, VAM stands for .................
- Value Addition Method
- Vogel's Approximation Method
- Virgenean Approximation Method
- None of these
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- Initial feasible solution to a transportation Problem can be found out by .................
- VAM
- MODI Method
- Both a and b
- None of these
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- ................ is applied to determine optimal solution.
- NWCR
- VAM
- MODI Method
- None of these
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- A Transportation Problem is said to be unbalanced when total supply is not equal to .................
- Total cost
- Total demand
- Both a and b
- None of these
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- For a minimisation Transportation Problem, the objective is to minimise:
- Profit
- Cost
- Solution
- None of these
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- ................ is an important Operations Research Technique to analyse the queuing behaviour.
- Game theory
- Waiting line theory
- Decision theory
- Simulation
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- An organisation chart is an example of .................
- Iconic model
- Mathematical model
- Analogue model
- None of these
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- ................ model is a map which indicates roads, highways, towns and inter-relationships
- Iconic model
- Analogue model
- Mathematical model
- None of these
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- Operations Research techniques help to find ................. solution.
- Feasible solution
- Infeasible solution
- Optimal solution
- None of these
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- Operations Research Techniques involves ................. approach.
- Team approach
- Critical approach
- Individual approach
- None of these
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- A LPP model doesnot contain:
- Decision
- Constraints
- Feasible solution
- Spread Sheet
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- Straight lines shown in a linear programming graph indicates .................
- Objective function
- Constraints
- Points
- All of the above
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- Non-negativity constraints are written as .................
- Equality
- Non-equality
- Greater than or equal to
- Less than or equal to
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- PERT stand for:
- Performance Evaluation Review Technique
- Programme Evaluation Review Technique
- Programme Evaluation Research Technique
- None of these
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- An activity which must be completed before commencement of one or more other activities is called .................
- Successor activity
- Predecessor activity
- Dummy activity
- None of these
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- In network diagram, events are commonly represented by .................
- Arrows
- Nodes
- Triangles
- None of these
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- ................ is activity oriented network diagram.
- CPM
- PERT
- Histogram
- Ogive
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- ................ is an event oriented network diagram.
- CPM
- PERT
- Histogram
- Ogive
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- An activity which does not consume either resource or time is called .................
- Predecessor activity
- Successor activity
- Dummy activity
- Terminal activity
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- ................ is a series of activities related to a project.
- Network
- Transportation Model
- Assignment model
- None of these
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- An event which represents the beginning of more than one activity is a :
- Merge event
- Net event
- Burst event
- None of these
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- Activities lying on critical path are called .................
- Critical activities
- Non-critical activities
- Dummy activities
- None of these
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- Activities that cannot be started until one or more of the other activities are completed, are called .................
- Dummy activities
- Initial activities
- Successor activities
- Predecessor activities
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- ................ is the sequence of activities which determines the total project duration.
- Critical path
- Network
- Non-critical activities
- None of these
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- PERT emphasises on .................
- Activity
- Time
- Cost
- None of these
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- ................ is the duration by which an activity can be delayed without delaying the completion of the project.
- Earliest Start Time
- Earliest Finish Time
- Latest Start Time
- Latest Finish Time
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- The EST + activity duration = .................
- Earliest Finish Time
- Latest Start Time
- Latest Finish Time
- None of these
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- ................ is the latest time by which an activity can be finished without delaying the completion of the project.
- LST
- LFT
- EFT
- EST
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- ................ is a scheme or design of something intended to do.
- Network
- Float
- Project
- Program
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- In a network diagram, activity is denoted by .................
- Node
- Arrow
- Triangle
- None of these
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- ................ is the duration by which an activity can be delayed without delaying the project.
- Slack
- Total float
- Both a and b
- None of these
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- The maximise criteria is .................
- Optimistic
- Pessimistic
- Neutral
- None of these
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- Decision making under certainty refers to ................. situation.
- Deterministic
- Probabilistic
- Competitive
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- ................ is known as father of game theory.
- Von Neumann
- A K Erlang
- George b Dantzig
- Arnoff
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- Which of the following is an assumption of game theory?
- The players act rationally and intelligently
- Each payer has a finite set of possible courses of action
- The players attempt to maximise gains or minimises losses
- All of the above
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- Each participant of the game is called .................
- Strategist
- Winner
- Player
- Loser
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- The outcome of a game is known as .................
- Profit
- Loss
- Pay off
- None of these
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- A matrix which shows the gains and losses resulting from moves and counter moves is called .................
- Cost matrix
- Pay off matrix
- Both a and b
- None of these
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- When all the players of the game follow their optimal strategies, then the expected pay off of the game is called .................
- Gain of the game
- Loss of the game
- Value of the game
- None of these
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- The position in the pay off matrix where the maximin coincides with the minimax.
- Saddle point
- Break even point
- Pivot point
- None of the above
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- A game is said to be fair if the value of the game is .................
- One
- Two
- Three
- Zero
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- In a ................. game the amounts won by all winners together is equal to the sum of the amounts lost by all losers together.
- Non-zero sum game
- Zero sum game
- Rectangular game
- None of these
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- Which of the following method is used to solve mixed strategy problems:
- Probability method
- Graphic method
- Linear Programming method
- All of the above
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- A queue is formed when the demand for a service:
- Exceeds the capacity to provide that service
- Is less than the capacity to provide that service
- a or b
- None of these
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- Queuing theory is also termed as .................
- Game theory
- Replacement theory
- Waiting line theory
- None of these
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- In queuing theory, ................. refers to those waiting in a queue or receiving service.
- Service provider
- Customer
- Both a and b
- None of these
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- In queuing theory, ................. is a person by whom service is rendered.
- Customer
- Server
- a or b
- none of these
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- In waiting line theory, number of customers waiting in the queue is referred to as .................
- Traffic intensity
- Queuing system
- Service pattern
- Queue length
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- Number of customers in the queue per unit of time is called .................
- Queuing system
- Length of queue
- Average length of queue
- None of these
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- The ration between mean arrival rate and mean service rate is called .................
- Idle period
- Average length of queue
- Traffic intensity
- None of these
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- Commonly assumed probability distribution of arrival pattern is .................
- Poisson distribution
- Binomial distribution
- Normal distribution
- None of these
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- Commonly assumed probability distribution of service pattern are .................
- Poisson distribution
- Exponential distribution
- Erlang distribution
- b and c
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- a customer's behaviour of leaving the queue when he does not like to wait in the queue due to lack of time or space is called .................
- Jockying
- Reneging
- Collusion
- Balking
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- A customer's behaviour of leaving the queue due to impatience is called .................
- Jockying
- Reneging
- Collusion
- Balking
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- A customer's behaviour of jumping from one queue to another is called .................
- Jockying
- Reneging
- Collusion
- Balking
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- In queuing theory, ................. stands for mean arrival rate of customers.
- μ
- λ
- t
- none of these
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- In queuing theory, ................. stands for mean service rate.
- μ
- λ
- t
- none of these
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- ................ is a method of analysing the current movement of the some variable in an effort to predict the future movement of the same variable.
- Goal programming
- Queuing theory
- Markov Analysis
- Replacement theory
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- In queuing theory, FCFS stand for .................
- First Cum First Served
- First Customer Fist Served
- Fast Channel First Served
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