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Q.1
In simplex method, we add _____________ variables in the case of ‘=’.
Slack Variable
Surplus Variable
Artificial Variable
None of the above
Q.2
As for maximization in assignment problem, the objective is to maximize the ___________.
Profit
optimization
cost
None of the above
Q.3
Maximization of objective function in an LP model means.
Value occurs at allowable set of decisions
Highest value is chosen among allowable decisions
Neither of above
Both a & b
Q.4
Which of the following is not a characteristic of the LP model?
Alternative courses of action
An objective function of maximization type
Limited amount of resources
Non-negativity condition on the value of decision variables.
Q.5
A constraint in an LP model restricts.
Value of objective function
Value of a decision variable
Use of the available resources
All of the above
Q.6
The distinguishing feature of an LP model is.
Relationship among all variables is linear
It has single objective function & constraints
Value of decision variables is non-negative
All of the above
Q.7
What refers to Linear Programming that includes an evaluation of relative risks and uncertainties in various alternatives of choice for management decisions ?
Probabilistic Programming
Stochastic Programming
Both A and B
Linear Programming
Q.8
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?
Programme Evaluation
Review Technique (PERT)
Both A and B
Deployment of resources
Q.9
What aims at optimizing inventory levels?
Inventory Control
Inventory Capacity
Inventory Planning
None of the above
Q.10
What can be defined as a useful idle resource which has economic value eg; raw materials, spareparts, finished items, etc?
Inventory Control
Inventory
Inventory Planning
None of the above
Q.11
If an iso-profit line yielding the optimal solution coincides with a constaint line, then.
The solution is unbounded
The solution is infeasible
The constraint which coincides is redundant
None of the above
Q.12
While plotting constraints on a graph paper, terminal points on both the axes are connected by a straight line because?
The resources are limited in supply
The objective function as a linear function
The constraints are linear equations or inequalities
All of the above
Q.13
Operations Research uses models to help the management to determine its ___________ scientifically.
Policies
Actions
Both A and B
None of the above
Q.14
The mathematical model of an LP problem is important because.
It helps in converting the verbal description & numerical data into mathematical expression
Decision-makers prefer to work with formal models
It captures the relevant relationship among decision factors
It enables the use of algebraic technique
Q.15
All the parameters in the linear programming model are assumed to be ____________.
Variables
Constraints
Functions
None of the above
Q.16
The solution need not be in ___________ numbers.
Prime Number
Whole Number
Complex Number
None of the above
Q.17
An assignment problem can be solved by.
Simplex method
Transportation method
Both a & b
None of the above
Q.18
For a salesman who has to visit n cities which of the following are the ways of his tour plan.
n!
(n+1)!
(n-1)!
n
Q.19
Any column or raw of a simplex table is called a __________.
Vector
Key column
Key Raw
None of the above
Q.20
In simplex method, if there is tie between a decision variable and a slack (or surplus) variable, __________ should be selected.
Slack variable
Surplus variable
Decision variable
None of the above
Q.21
A BFS of a LPP is said to be ________________ if at least one of the basic variable is zero.
Degenerate
Non_degenerate
Infeasible
Unbounded
Q.22
Operations Research simply helps in improving the ______________ of the solution but does not in a perfect solution.
Quality
Clarity
Look
None of the above
Q.23
Operations Research involves ______________ attack of complex problems to arrive at the optimum solution.
Scientific
Systematic
Both A and B
Statistical
Q.24
The best use of linear programming technique is to find an optimal use of.
Money
Manpower
Machine
All of the above
Q.25
Constraints in an LP model represents.
Limitations
Requirements
Balancing limitations & requirements
All of the above
Q.26
Linear Programming technique is used to allocate scarce resources in an optimum manner in problems of ______________ ?
Schedule
Product Mix
Both A and B
Servicing Cost
Q.27
Operations Research techniques helps the directing authority in optimum allocation of various limited resources, such as ______________.
Men and Machine
Money
Material and Time
All of the above
Q.28
Which theory concerns making sound decisions under conditions of certainity, risk and uncertainty?
Game Theory
Network Analysis
Decision Theory
None of the above
Q.29
Key concept under which technique are network of events and activities , resource allocation, time and cost considerations, network paths and critical paths ?
Game Theory
Network Analysis
Decision Theory
None of the above
Q.30
To proceed with the MODI algorithm for solving an assignment problem, the number of dummy allocations need to be added are.
n
2n
n-1
2n-1
0 h : 0 m : 1 s
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