CIT425 TMA Solutions

CIT425 List of Questions

Q1 Assignment problem is a type of ?��?��?
Commmunication problem
Dynamic problem
Linear problem
Transportation problem

Q2 The process of incorporating the solution into the model is called?��?��?��?..
Collection model
Implementation model
Testing the model
Interpretation model

Q3 Operations research help to determines the information requirements that enable ?��?��?��?.
The best decision to be made
The wrong decision to be made
The fair decision to be made
The Straignt decision to be made

Q4 The approach that involves following past techniques and solutions to solving present problem is called ?��?��?.
Systematic approach
Dynamic approach
Conventional approach
Linear approach

Q5 If we have unequal rows or columns we introduce ?��?��?.. To balance up the problem
dummy row or column
Standard row or column
Elementary row or column
Static row or column

Q6 One of the following is not an approach for interpreting, analysing and solving business problem?��?��?��?.
Conventional approach
The observation approach
Systematic approach
Dynamic approach

Q7 The systematic appraoch is also called?��?��?��?��?��?.
Dynamic approach
Scientific approach
Observation approach
Linear approach

Q8 A method of watching and learning form other manager is called ?��?..
Scientific
Observation approach
Linear approach
Dynamic approach

Q9 Like the transportation problem, assignment problem are?��?��?��?.
Allocation problem as well as linear programming problem
dynamic and linear problem
multi-directional problem
Straight line problem

Q10 The assignment method that solve problem by trying to see different permutation is called?��?��?��?��?
Numeration of solution problem
Enumeration of solution method
Denumeration of solution problem
Index of solution problem

Q11 When the sum of the row requirement is not equal to the sum of the column requirement?��?��?��?..
Unbalanced Exploration problem
transportation problem
Unbalanced transportation problem
Communication problem

Q12 The first step in solving an assignment problem is to develop an ?��?��?
Opportunity and Minival value
Minimum cost
Opportunity cost table or matirx associated with it
Maximum cost

Q13 The following are method of solutions which gives an initial feasible solution to transportation problem except?��?��?��?��?��?.
North-west corner
Least cost first
Vogel’s approximation method
North-south corner

Q14 Two iterative techniques for moving from an initial feasible solution to an optimal solution are?��?��?��?��?
Bactrack and constant
Stepping staone and bactrack
stepping stone and modify improved
Modified and unmodified

Q15 ?. Method advocate that allocation be made based on the basis of geographical location
North-west corner
North-east corner
North-south corner
South-east corner

Q16 The method that advocates that allocation be based on minimum cost of transportation is ?��?��?��?��?��?��?..
Least cost method
Semi cost method
Average cost method
High cost method

Q17 We test for optimality by calculating ?��?��?..
Real cost
Shadow cost
hidden cost
apparent cost

Q18 An important variation of the transportation problem is called ?.
Assignment problem
Decision problem
Communication problem
Routing problem

Q19 ?��? is when total supply from all source exactly equal total demand at all destination
Unbalanced transportation problem
Balanced transportation problem
balanced modelling problem
Balanced exploration problem

Q20 Transportation problem can be represented in the following ways except?��?��?��?��?..
A generalized network problem
A transportation tableau
A dynamic programming tableau
A linear programming model

Q21 In dynamic programming, ?��?.. Is a specific information describing the problem at different stages
State
Stage
Phase
Path

Q22 The limitation of integral programming leads to?��?��?��?��?��?
Linear programming rounding off
Integral programming rounding off
dynamic programming rounding off
differential programming rounding off

Q23 The integer programming method where all the possible feasible integers only are considered as the solution is?��?��?��?��?.
Cutting plan
Verbal
Oral
Search

Q24 A linear program with the additional restriction that the input variables be intergers is called?��?��?��?��?��?
Double
Float
Interger program
Real program

Q25 Two integer programming methods are?��?��?��?��?
Cutting plane and Search method
Verbal and search method
Oral and Search method
Manual and automatic

Q26 Linear programming problems are optimization problems which are stated?��?��?��?..
Verbally or Acted
Verbally or in words
Acted or written
Oral or Acted

Q27 Assumptions of linear programming include the following except?��?��?��?��?
Certainty
Proportionality
Addictivity
Objectivity

Q28 ?.. Is an optimization problem in which the objective and constriants are given as mathematical function and functional constraint
Quadratic program
Mathematical program
Linear program
Dynamic program

Q29 One of the following mathematical models predict the exact outcome of a situation because it is based on certain known laws?��?��?.
Deterministic
Quantitative
Qualitative
Probabilistic

Q30 In an optimization problem, one seek to maximise or minimise a specific quantity called
Value
Constant
Objective
Variable

Q31 ?��?��? models are format for representing recurring features and relationship
Standard
Linear
Probalistic
Quantitative

Q32 The component of operations research model are
Simulation and parameters
Variable and parameters
Constant and variables
Constant and Simulation

Q33 A mathematical model that deals with a situation that are random in character is called ?��?..
Linear
Deterministic
Probabilistic
Qualitative

Q34 The observation of real-world problem and making assumptions about influencing factors is called?��?��?
Modelling
Abstraction
Simulation
Forecasting

Q35 The type of model that initiate the behavior of the system under study over a period of time is called?��?��?.
Symbolic
Probalistic
Mathematical
Simulation

Q36 ?��?��?. Is a way of representing the behaviour of a situation to enable us deduce what is best to do about a system
Forecasting
Modelling
Modulation
Forensing

Q37 Effective use of operation research involves ——–
People contracdicting each other in a particular order
Dismantling large machine in x time
People working as a team to solve identified problem
Working for some considerable hours per day

Q38 Operation research is applicable in the following business areas except?��?��?��?��?.
Transport schedules
Production flows
Stock Reordering policies
Robot marketing

Q39 The following are stages of operational research except?��?��?��?��?.
Input data acquisition
solution derivation
Quality testing
Model construction

Q40 Operation research is most fundamentally ?��?��?.. Based
Art
Science
Cultural
Social science

Q41 Which of the following is not a business area where O.R. is applicable?
transport schedules
product mix
general congestion problem
None of the Options

Q42 ?��?. models are usually put in generalised forms
static
standard
analytic
dynamic

Q43 __ is not a prototype of Operations Research.
inventory
queues
competition
None of the Options

Q44 A ?��? program is a mathematical program in which each constraint is linear.
linear
quadratic
integer
None of the Options

Q45 Transforming a word problem into a mathematical program involves ?.. Steps
two
three
four
several

Q46 ?��?. programming is a widely used mathematical techniques designed to help managers in planning and decision making relative to resource allocations
interger
quadratic
linear
non-linear

Q47 A mathematical program is an optimization problem in which the objective and constraints are given as ?….
mathematical functions
functional relationships
all of the options
None of the Options

Q48 The component of an operations research model are ?��?
constant and variable
variable and parameter
constant and parameter
all of the options

Q49 Line balancing techniques is used to solve ?.. Prototype
allocation
inventory
cooordination and extension
replacement

Q50 Mathematical programming is used to solve ?��?.. Prototype
allocation
waiting lines
cooordination and extension
None of the Options

Q51 Simulation is not a common solution to ?��?.. prototype.
waiting lines
inventory
replacement
competition

Q52 ?��? is required in model construction.
abstraction
encapsulation
construction
all of the options

Q53 Which of the following are part of the interacting entities in an inventory system?
holding cost
order quantity
demand
all of the options

Q54 ?��? model are format for representing recurring features and relationships.
mathematical
standard
custom-made
dynamic

Q55 Which of the following models is structural?
mathematical
simulation
iconic
all of the options

Q56 ?��?.. model is one that represents the relationship between the variables in the form of formulas
custom-made
analytic
static
linear

Q57 ?��? is not a type of mathematical model
linear
probabilistic
quantitative
iconic

Q58 ?��? model is the most important type of model
symbolic
analog
iconic
simulation

Q59 __ is not a limitation of Operations Research.
difficulty balancing reality and simplicity
poor/inaccurate quality of data collection
constraints due to lack of suitable solutions techniques
None of the Options

Q60 __ is a fact about Operations Research as a concept.
Its distinctive approach is facts-finding and modeling
It examines functional relations from a system overview
It helps to discover new problems as one problem is being solved
all of the options

Q61 Models that predict the exact outcome of a situation are the ___ on certain known laws.
Deterministic models
Probabilistic models
Realistic models
Iconic models

Q62 Two main components of operations research model are variables and __ .
Operators
Reflectors
Parameters
Sets

Q63 The most commonly used operations research model, which help to simplify complex situation are known as __
Deterministic models
Probabilistic models
Mathematical models
Entitative models

Q64 Models that deal with random situations in character and and can predict the outcome within a certain stated or known degree of accuracy are described as __
Qualitative models
Iconic models
Deterministic models
Probabilistic models

Q65 __ are sought in any mathematical program.
CASES
Solutions
Keys
Sets

Q66 Models that represents the relationship between the variables in the form of formulas are __
Mathematical models
Entitative models
Analytic models
Probabilistic models

Q67 All the following are applications of Linear Programming to Business except ___.
Return limitation
Production quantity
Blending problems
Distribution system

Q68 There is no preference between equally optimal solutions if there is no preference stipulated in the __.
Operands
Keys
Constraints
Sets

Q69 A mathematical model is often put in the form of relationships between the quantitative __
Keys
Operands
Sets
Variables

Q70 __ models represent the physical simulations to the real life system.
Exotic
Iconic
Deterministic
Holonic

Q71 The __ built must be based on the facts of the situation being represented.
Form
Site
Model
Set

Q72 Mathematical modeling focuses on creating a mathematical __ of management problems in organisations
Representation
Simulation
Regularasition
Synchronisaton

Q73 Ordinarily, In a __ model, the behaviour of the system under study is initiated over a period of time.
Iconic
Deterninistic
Simulation
Exotic

Q74 __ depicts a typical non-linear relationship in operations research
T = 2x + k
Y = 2x + g
Z = k + 4x
Y = 5k + x2

Q75 The imitation of the step-by-step process involved in the building of system relationships is described as __
Polarisation
Modulation
Simulation
Demodulation

Q76 Standard __ are formatted for representing recurring features and relationships.
Forms
Models
Keys
Modules

Q77 Normally, operation researchers and __ science consultants apply the principles of operations research to management problems.
Tecnical
Mining
Integrated
Management

Q78 A mathematical program is linear if f(x1, x2, ..xn) and g(x1, x2. xi) are linear in each of their __.
Operands
Pneumonics
Arguments
Sets

Q79 The critical path method uses a __ network model .
Protracted
Holonic
Deterministic
Iconic

Q80 In a typical __ problem, one seeks to either maximise or minimise
Synchronisaton
Optimisation
Simulation
Polarisation

Q81 Which of the following is not a business area where O.R. is applicable?
transport schedules
product mix
general congestion problem
None of the Options

Q82 ?��?. models are usually put in generalised forms
static
standard
analytic
dynamic

Q83 Which of the following is not a prototype of O.R.?
inventory
queues
competition
None of the Options

Q84 A ?��? program is a mathematical program in which each constraint is linear.
linear
quadratic
integer
None of the Options

Q85 Transforming a word problem into a mathematical program involves ?.. Steps
two
three
four
several

Q86 ?��?. programming is a widely used mathematical techniques designed to help managers in planning and decision making relative to resource allocations
interger
quadratic
linear
non-linear

Q87 A mathematical program is an optimization problem in which the objective and constraints are given as ?….
mathematical functions
functional relationships
all of the options
None of the Options

Q88 The component of an operations research model are ?��?
constant and variable
variable and parameter
constant and parameter
all of the options

Q89 Line balancing techniques is used to solve ?.. Prototype
allocation
inventory
cooordination and extension
replacement

Q90 Mathematical programming is used to solve ?��?.. Prototype
allocation
waiting lines
cooordination and extension
None of the Options

Q91 Simulation is not a common solution to ?��?.. prototype.
waiting lines
inventory
replacement
competition

Q92 ?��? is required in model construction.
abstraction
encapsulation
construction
all of the options

Q93 Which of the following are part of the interacting entities in an inventory system?
holding cost
order quantity
demand
all of the options

Q94 ?��? model are format for representing recurring features and relationships.
mathematical
standard
custom-made
dynamic

Q95 Which of the following models is structural?
mathematical
simulation
iconic
all of the options

Q96 ?��?.. model is one that represents the relationship between the variables in the form of formulas
custom-made
analytic
static
linear

Q97 ?��? is not a type of mathematical model
linear
probabilistic
quantitative
iconic

Q98 ?��? model is the most important type of model
symbolic
analog
iconic
simulation

Q99 Which of the following is not a limitation of O.R.?
difficulty balancing reality and simplicity
poor/inaccurate quality of data collection
constraints due to lack of suitable solutions techniques
None of the Options

Q100 Which of the following is a fact about Operations Research as a concept?
Its distinctive approach is facts-finding and modeling
It examines functional relations from a system overview
It helps to discover new problems as one problem is being solved
all of the options

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