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Quiz 5
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Q.1
If an opportunity cost value is used for an unused cell to test optimality, it should be.
Equal to zero
Most negative number
Most positive number
Any value
Q.2
Managerial decisions are based on.
An evaluation of quantitative data
The use of qualitative factors
Results generated by formal models
All of the above
Q.3
The initial solution of a transportation problem can be obtained by applying any known method. However, the only condition is that.
The solution be optimal
The rim conditions are satisfied
The solution not be degenerate
All of the above
Q.4
In maximization cases, _____________ are assigned to the artificial variables as their coefficients in the objective function.
+m
–m
0
None of the above
Q.5
The quantitative approach to decision analysis is a.
Logical approach
Rational approach
Scientific approach
All of the above
Q.6
Operations Research approach is typically based on the use of.
Physical model
Mathematical model
Iconic model
Descriptive model
Q.7
For analyzing the problem , decision – makers should normally study.
Its qualitative aspects
Its quantitative aspects
Both A and B
Neither A and B
Q.8
Decision variables are __________
Controllable
Uncontrollable
Parameters
None of the above
Q.9
______________ may be defined as a method of determining an optimum programme inter dependent activities in view of available resources.
Goal Programming
Linear Programming
Decision Making
None of the above
Q.10
Assignment problem helps to find a maximum weight identical in nature in a weighted ____________.
Tripartite graph
Bipartite graph
Partite graph
None of the above
Q.11
If there were n workers & n jobs there would be.
n! solutions
(n-1)! solutions
(n!)n solutions
n solutions
Q.12
During an iteration while moving from one solution to the next, degeneracy may occur when.
The closed path indicates a diagonal move
Two or more occupied cells are on the closed path but neither of them represents a corner of the path.
Two or more occupied cells on the closed path with minus sign are tied for lowest circled value
Either of the above
Q.13
The large negative opportunity cost value in an unused cell in a transportation table is chosen to improve the current solution because.
It represents per unit cost reduction
It represents per unit cost improvement
It ensure no rim requirement violation
None of the above
Q.14
The dummy source or destination in a transportation problem is added to.
Satisfy rim conditions
Prevent solution from becoming degenerate
Ensure that total cost does not exceed a limit
None of the above
Q.15
The occurrence of degeneracy while solving a transportation problem means that.
Total supply equals total demand
The solution so obtained is not feasible
The few allocations become negative
None of the above
Q.16
An alternative optimal solution to a minimization transportation problem exists whenever opportunity cost corresponding to unused route of transportation is:
Positive & greater than zero
Positive with at least one equal to zero
Negative with at least one equal to zero
None of the above
Q.17
___________ are the representation of reality.
Models
Phases
Both A and B
None of the above
Q.18
___________ are called mathematical models.
Iconic Models
Analogue Models
Symbolic Models
None of the above
Q.19
In a manufacturing process, who takes the decisions as to what quantities and which process or processes are to be used so that the cost is minimum and profit is maximum?
Supervisor
Manufacturer
Producer
Production manager
Q.20
For analyzing a problem, decision-makers should study.
Its qualitative aspects
Its quantitative aspects
Both a & b
Neither a nor b
Q.21
A model is.
An essence of reality
An approximation
An idealization
All of the above
Q.22
The issue of decision models.
Is possible when the variable’s value is
Reduces the scope of judgment and intuition known with certainty in decision making
Requires the knowledge of computer software use
None of the above
Q.23
_____________ is one of the fundamental combinatorial optimization problems.
Assignment problem
Transportation problem
Optimization Problem
None of the above
Q.24
________ are expressed is n the form of inequities or equations.
Constraints
Objective Functions
Both A and B
None of the above
Q.25
If there are more than one optimum solution for the decision variable the solution is ___________.
Infeasible
Unbounded
Alternative
None of the above
Q.26
Dual of the dual is ______________.
Primal
Dual
Alternative
None of the above
Q.27
In ___________ models there is risk and uncertainty.
Deterministic Models
Probabilistic Models
Both A and B
None of the above
Q.28
___________ models are obtained by enlarging or reducing the size of the item.
Iconic Models
Analogue Models
Symbolic Models
None of the above
Q.29
Operations Research attempts to find the best and __________ solution to a problem.
Optimum
Perfect
Degenerate
None of the above
Q.30
Operations Research cannot give perfect __________ to problems.
Answers
Solutions
Both A and B
Decisions
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