Section A: Introduction to Operations Research

1. What is the primary purpose of operations research?
   a) To support decision-making through scientific and quantitative analysis
   b) To replace every manager with software
   c) To study only financial accounting problems
   d) To eliminate uncertainty from all business activities
   Answer: a) To support decision-making through scientific and quantitative analysis
2. Operations research is best described as:
   a) A method of recording historical transactions
   b) A scientific approach to solving complex decision problems
   c) A technique used only for employee selection
   d) A branch of qualitative market research
   Answer: b) A scientific approach to solving complex decision problems
3. Operations research primarily uses:
   a) Personal intuition without data
   b) Historical description only
   c) Mathematical models and analytical techniques
   d) Informal discussions without measurement
   Answer: c) Mathematical models and analytical techniques
4. The abbreviation OR commonly stands for:
   a) Organizational Reporting
   b) Operational Revenue
   c) Objective Reasoning
   d) Operations Research
   Answer: d) Operations Research
5. Operations research developed significantly during:
   a) World War II
   b) The Industrial Revolution only
   c) The Renaissance
   d) The early agricultural period
   Answer: a) World War II
6. During World War II, operations research was initially used to improve:
   a) Consumer advertising
   b) Military operations and resource deployment
   c) Employee payroll systems
   d) Retail store decoration
   Answer: b) Military operations and resource deployment
7. After World War II, operations-research methods were increasingly applied to:
   a) Literature and poetry
   b) Fine arts only
   c) Business, industry and government
   d) Personal entertainment only
   Answer: c) Business, industry and government
8. An operations-research model is:
   a) A physical copy of a factory only
   b) A list of employee names
   c) A historical accounting statement
   d) A simplified representation of a real decision problem
   Answer: d) A simplified representation of a real decision problem
9. Which characteristic is central to operations research?
   a) A systems-oriented approach
   b) Exclusive reliance on intuition
   c) Avoidance of quantitative data
   d) Focus on one department without considering others
   Answer: a) A systems-oriented approach
10. A systems approach means that OR analysts consider:
    a) Only the department requesting the study
    b) Interrelationships among different parts of an organization
    c) Only short-term costs
    d) Only employee preferences
    Answer: b) Interrelationships among different parts of an organization
11. Which of the following is commonly optimized in OR?
    a) Personal opinions
    b) Organizational culture alone
    c) Cost, profit, time or resource use
    d) Informal communication
    Answer: c) Cost, profit, time or resource use
12. The word “optimization” means:
    a) Collecting as much data as possible
    b) Eliminating every constraint
    c) Choosing the most expensive alternative
    d) Finding the best feasible solution according to a defined objective
    Answer: d) Finding the best feasible solution according to a defined objective
13. Which activity is an example of an OR application?
    a) Determining the least-cost distribution plan
    b) Writing an employee biography
    c) Designing a company logo
    d) Preparing a ceremonial speech
    Answer: a) Determining the least-cost distribution plan
14. Operations research usually involves a team because:
    a) One analyst is never allowed to work alone
    b) Complex problems often require knowledge from multiple disciplines
    c) Every study must include customers
    d) Mathematical models cannot be created by individuals
    Answer: b) Complex problems often require knowledge from multiple disciplines
15. Which discipline frequently contributes to OR studies?
    a) Poetry analysis
    b) Musical composition
    c) Mathematics and statistics
    d) Decorative design
    Answer: c) Mathematics and statistics
16. OR is sometimes called management science because it:
    a) Studies only scientific laboratories
    b) focuses only on production workers
    c) avoids mathematical models
    d) applies scientific methods to managerial decision-making
    Answer: d) Applies scientific methods to managerial decision-making
17. The objective function in an OR model represents:
    a) The measure to be maximized or minimized
    b) A list of all employees
    c) The historical background of the organization
    d) A fixed organizational policy only
    Answer: a) The measure to be maximized or minimized
18. Restrictions on available resources are commonly represented as:
    a) Objective values
    b) Constraints
    c) Decision criteria only
    d) Simulation outputs
    Answer: b) Constraints
19. Decision variables represent:
    a) Data that cannot be changed
    b) The final written report
    c) Controllable quantities whose values must be determined
    d) External events beyond management control
    Answer: c) Controllable quantities whose values must be determined
20. A feasible solution is one that:
    a) Maximizes profit automatically
    b) uses every resource completely
    c) has the largest number of decision variables
    d) satisfies all model constraints
    Answer: d) Satisfies all model constraints
21. An optimal solution is:
    a) The best feasible solution under the stated objective
    b) Any solution suggested by management
    c) A solution that ignores some constraints
    d) The first solution generated by a computer
    Answer: a) The best feasible solution under the stated objective
22. Which statement correctly describes OR?
    a) It guarantees perfect decisions in every situation
    b) It provides analytical support but does not eliminate managerial judgment
    c) It replaces all qualitative information
    d) It works only when there is no uncertainty
    Answer: b) It provides analytical support but does not eliminate managerial judgment
23. Which is a major advantage of operations research?
    a) It eliminates the need for data
    b) It makes every decision risk-free
    c) It improves the quality and consistency of decisions
    d) It guarantees that all departments benefit equally
    Answer: c) It improves the quality and consistency of decisions
24. Which is a limitation of operations research?
    a) It cannot use computers
    b) It cannot study resource allocation
    c) It does not involve objectives
    d) Its results depend on the quality of assumptions and data
    Answer: d) Its results depend on the quality of assumptions and data
25. Which factor may reduce the usefulness of an OR model?
    a) Inaccurate or incomplete input data
    b) Clearly defined objectives
    c) Valid model assumptions
    d) Appropriate analytical methods
    Answer: a) Inaccurate or incomplete input data
26. A deterministic OR model assumes that:
    a) Every decision variable is random
    b) All relevant model parameters are known with certainty
    c) No constraints exist
    d) Every possible event has equal probability
    Answer: b) All relevant model parameters are known with certainty
27. A probabilistic model is appropriate when:
    a) All data are fixed and known
    b) The objective function is absent
    c) Some model inputs involve uncertainty
    d) The problem has no alternatives
    Answer: c) Some model inputs involve uncertainty
28. Which OR technique studies waiting lines?
    a) Linear programming
    b) Network analysis
    c) Inventory control
    d) Queuing theory
    Answer: d) Queuing theory
29. Which OR technique is commonly used to allocate scarce resources?
    a) Linear programming
    b) Descriptive accounting
    c) Job evaluation
    d) Literary analysis
    Answer: a) Linear programming
30. Which OR technique helps determine how much inventory to order and when?
    a) Game theory
    b) Inventory models
    c) Assignment analysis only
    d) Replacement theory only
    Answer: b) Inventory models
31. Simulation is particularly useful when:
    a) A problem has no uncertainty
    b) An exact analytical solution is always simple
    c) A complex system can be imitated and experimented with
    d) The system has no measurable variables
    Answer: c) A complex system can be imitated and experimented with
32. Game theory studies situations involving:
    a) Only one decision-maker with no competition
    b) Inventory shortages
    c) Equipment replacement
    d) Competing decision-makers with conflicting interests
    Answer: d) Competing decision-makers with conflicting interests
33. Network analysis is commonly used for:
    a) Planning and controlling projects
    b) Writing financial statements
    c) Measuring employee satisfaction only
    d) Conducting interviews
    Answer: a) Planning and controlling projects
34. The transportation model is designed primarily to:
    a) Maximize employee productivity
    b) Minimize the cost of shipping goods from sources to destinations
    c) Select advertising slogans
    d) Schedule interviews
    Answer: b) Minimize the cost of shipping goods from sources to destinations
35. The assignment model is used to:
    a) Determine inventory reorder points
    b) Forecast product demand
    c) Match resources such as people or machines to tasks
    d) Calculate project completion probabilities only
    Answer: c) Match resources such as people or machines to tasks
36. Replacement theory helps organizations decide:
    a) How to set selling prices
    b) How to recruit employees
    c) How to choose advertising media
    d) When equipment or assets should be replaced
    Answer: d) When equipment or assets should be replaced
37. Which statement reflects the interdisciplinary nature of OR?
    a) OR combines knowledge from mathematics, economics, engineering and management
    b) OR relies only on mathematics
    c) OR excludes behavioral considerations
    d) OR is limited to manufacturing
    Answer: a) OR combines knowledge from mathematics, economics, engineering and management
38. The quality of an OR recommendation depends heavily on:
    a) The length of the final report
    b) The validity of the model and its input data
    c) The number of equations alone
    d) The complexity of the software used
    Answer: b) The validity of the model and its input data

Section B: Classification of Decision-Making Problems

39. A decision made repeatedly according to established procedures is called:
    a) A strategic decision
    b) An unstructured decision
    c) A programmed decision
    d) A crisis decision
    Answer: c) A programmed decision
40. A nonprogrammed decision is generally:
    a) Routine and repetitive
    b) governed by a fixed rule
    c) made automatically by software
    d) Novel, complex and lacking a standard procedure
    Answer: d) Novel, complex and lacking a standard procedure
41. Which is an example of a programmed decision?
    a) Reordering inventory when stock reaches a predetermined level
    b) Entering a completely new international market
    c) Acquiring a major competitor
    d) Redesigning the organization
    Answer: a) Reordering inventory when stock reaches a predetermined level
42. Which is an example of a nonprogrammed decision?
    a) Processing monthly payroll
    b) Deciding whether to merge with another company
    c) Replenishing standard office supplies
    d) Approving routine leave requests
    Answer: b) Deciding whether to merge with another company
43. Strategic decisions generally concern:
    a) Daily operating details
    b) Routine clerical procedures
    c) Long-term organizational direction
    d) Individual transaction processing
    Answer: c) Long-term organizational direction
44. Operational decisions usually focus on:
    a) Long-term corporate mission
    b) National economic policy
    c) Major mergers
    d) Day-to-day use of resources
    Answer: d) Day-to-day use of resources
45. Tactical decisions commonly translate:
    a) Strategic plans into medium-term actions
    b) Daily transactions into national policies
    c) Routine activities into corporate missions
    d) Mathematical models into legal documents
    Answer: a) Strategic plans into medium-term actions
46. Which is most likely a strategic decision?
    a) Preparing tomorrow’s work schedule
    b) Selecting the location of a new manufacturing plant
    c) Reordering standard raw materials
    d) Assigning workers to today’s machines
    Answer: b) Selecting the location of a new manufacturing plant
47. Which is most likely a tactical decision?
    a) Choosing the organization’s mission
    b) Recording daily sales
    c) Developing a quarterly production plan
    d) Processing a customer payment
    Answer: c) Developing a quarterly production plan
48. Which is most likely an operational decision?
    a) Acquiring another company
    b) Entering a new industry
    c) Building a five-year capacity strategy
    d) Scheduling employees for the next shift
    Answer: d) Scheduling employees for the next shift
49. Decision-making under certainty means that:
    a) The outcome of each alternative is known
    b) Outcomes are described only by probabilities
    c) No information is available
    d) Competitors control every result
    Answer: a) The outcome of each alternative is known
50. Decision-making under risk means that:
    a) Every outcome is known with certainty
    b) Probabilities can be assigned to possible outcomes
    c) There is only one alternative
    d) No objective exists
    Answer: b) Probabilities can be assigned to possible outcomes
51. Decision-making under uncertainty occurs when:
    a) Outcomes are fully known
    b) Probabilities are always equal
    c) Reliable probabilities for outcomes are unavailable
    d) There is no decision-maker
    Answer: c) Reliable probabilities for outcomes are unavailable
52. Decision-making under conflict involves:
    a) One person selecting among identical alternatives
    b) Fixed and known outcomes
    c) A single objective with no competitors
    d) Multiple decision-makers whose actions affect one another
    Answer: d) Multiple decision-makers whose actions affect one another
53. Which OR technique is most closely associated with decisions under conflict?
    a) Game theory
    b) Inventory theory
    c) Replacement analysis
    d) Linear programming only
    Answer: a) Game theory
54. Which criterion is commonly used for decision-making under risk?
    a) Maximin criterion only
    b) Expected monetary value
    c) Minimax regret without probabilities only
    d) Equal likelihood criterion only
    Answer: b) Expected monetary value
55. The expected monetary value of an alternative is calculated by:
    a) Choosing its highest possible payoff
    b) Choosing its lowest possible payoff
    c) Weighting each payoff by its probability and summing the results
    d) Subtracting the smallest payoff from the largest
    Answer: c) Weighting each payoff by its probability and summing the results
56. The maximax criterion reflects a decision-maker who is:
    a) Highly pessimistic
    b) Risk-neutral
    c) indifferent to outcomes
    d) Highly optimistic
    Answer: d) Highly optimistic
57. The maximin criterion selects the alternative with:
    a) The best among the worst possible payoffs
    b) The highest possible payoff
    c) The lowest expected value
    d) The greatest regret
    Answer: a) The best among the worst possible payoffs
58. The minimax-regret criterion seeks to:
    a) Maximize the best payoff
    b) Minimize the maximum possible regret
    c) Minimize the average payoff
    d) Maximize expected cost
    Answer: b) Minimize the maximum possible regret
59. The equally likely criterion assumes that:
    a) One outcome is certain
    b) The worst outcome will occur
    c) All states of nature have equal probability
    d) The best outcome will occur
    Answer: c) All states of nature have equal probability
60. The Hurwicz criterion combines:
    a) Expected value and variance
    b) Cost and revenue
    c) Risk and certainty
    d) Optimism and pessimism
    Answer: d) Optimism and pessimism
61. A structured decision problem has:
    a) Clearly defined procedures, inputs and evaluation rules
    b) No measurable information
    c) No identifiable alternatives
    d) Only qualitative criteria
    Answer: a) Clearly defined procedures, inputs and evaluation rules
62. An unstructured decision problem is characterized by:
    a) Complete standardization
    b) Ambiguous procedures and substantial managerial judgment
    c) Repetitive transactions
    d) Automatic solutions
    Answer: b) Ambiguous procedures and substantial managerial judgment
63. A semistructured decision contains:
    a) No quantitative elements
    b) Only routine procedures
    c) Both structured and judgment-based elements
    d) No decision alternatives
    Answer: c) Both structured and judgment-based elements
64. Which is an example of a semistructured decision?
    a) Automatically calculating payroll deductions
    b) Recording a standard customer order
    c) Reordering inventory at a fixed level
    d) Approving a large business loan using both a credit model and managerial judgment
    Answer: d) Approving a large business loan using both a credit model and managerial judgment
65. Individual decision-making involves:
    a) One person selecting an alternative
    b) Several organizations negotiating simultaneously
    c) A committee making every choice
    d) A computer making an automatic decision only
    Answer: a) One person selecting an alternative
66. Group decision-making involves:
    a) No communication among participants
    b) Multiple individuals participating in the decision
    c) Only one objective
    d) No disagreement
    Answer: b) Multiple individuals participating in the decision
67. A single-criterion decision problem evaluates alternatives using:
    a) Several conflicting objectives
    b) No objective
    c) One primary measure of performance
    d) Only qualitative opinions
    Answer: c) One primary measure of performance
68. A multicriteria decision problem includes:
    a) One variable and one constraint
    b) One outcome only
    c) No trade-offs
    d) Several evaluation criteria that may conflict
    Answer: d) Several evaluation criteria that may conflict
69. Which is an example of a multicriteria decision?
    a) Selecting a supplier based on cost, quality, delivery and sustainability
    b) Choosing the lowest price only
    c) Calculating total revenue
    d) Reordering at a fixed stock level
    Answer: a) Selecting a supplier based on cost, quality, delivery and sustainability
70. A static decision model generally:
    a) changes continuously over time
    b) represents a situation at one point or over one fixed period
    c) requires multiple stages
    d) excludes numerical data
    Answer: b) Represents a situation at one point or over one fixed period
71. A dynamic decision model considers:
    a) Only present conditions
    b) One fixed period without change
    c) Decisions and system behavior over multiple time periods
    d) No relationships among time periods
    Answer: c) Decisions and system behavior over multiple time periods
72. Which OR technique is especially suited to multistage decision problems?
    a) Simple averaging
    b) Descriptive statistics only
    c) Break-even analysis
    d) Dynamic programming
    Answer: d) Dynamic programming
73. A deterministic decision problem has:
    a) Known and fixed parameter values
    b) Random demand only
    c) Unknown outcomes without probabilities
    d) Several competing decision-makers
    Answer: a) Known and fixed parameter values
74. A stochastic decision problem includes:
    a) Only certain outcomes
    b) Random variables or probabilistic inputs
    c) No measurable parameters
    d) No uncertainty
    Answer: b) Random variables or probabilistic inputs
75. A single-stage decision problem involves:
    a) Decisions repeated forever
    b) Decisions made by several organizations
    c) One primary decision point
    d) No alternatives
    Answer: c) One primary decision point
76. A multistage decision problem involves:
    a) One choice with no future effect
    b) Only routine decisions
    c) A single time period
    d) A sequence of interrelated decisions
    Answer: d) A sequence of interrelated decisions

Section C: Stages of an Operations-Research Study

77. What is generally the first stage of an OR study?
    a) Defining and understanding the problem
    b) Implementing the final solution
    c) Conducting sensitivity analysis
    d) Selecting software
    Answer: a) Defining and understanding the problem
78. A clear problem definition should identify:
    a) Only historical information
    b) Objectives, decision variables, constraints and system boundaries
    c) Only available software
    d) Only the desired answer
    Answer: b) Objectives, decision variables, constraints and system boundaries
79. Why is problem definition important?
    a) It guarantees that every model is linear
    b) It removes the need for data
    c) A poorly defined problem can produce an irrelevant solution
    d) It determines the final answer automatically
    Answer: c) A poorly defined problem can produce an irrelevant solution
80. After defining the problem, the next major stage is usually to:
    a) Implement the solution immediately
    b) discontinue the study
    c) write the final recommendation
    d) Collect relevant data and understand the system
    Answer: d) Collect relevant data and understand the system
81. Data collected for an OR study should be:
    a) Relevant, reliable and sufficiently accurate
    b) limited to financial information
    c) based only on personal opinion
    d) as complex as possible
    Answer: a) Relevant, reliable and sufficiently accurate
82. Which type of data may be used in an OR study?
    a) Only primary data
    b) Both primary and secondary data
    c) Only qualitative data
    d) Only historical cost data
    Answer: b) Both primary and secondary data
83. Model formulation involves:
    a) Implementing a solution before analysis
    b) Selecting employees for the project
    c) Translating the real problem into a simplified analytical representation
    d) avoiding assumptions
    Answer: c) Translating the real problem into a simplified analytical representation
84. A mathematical model commonly contains:
    a) Only historical facts
    b) Only a computer program
    c) Only managerial opinions
    d) Decision variables, an objective function and constraints
    Answer: d) Decision variables, an objective function and constraints
85. Model assumptions should be:
    a) Explicitly stated and evaluated
    b) hidden from decision-makers
    c) changed after every calculation
    d) unrelated to the real system
    Answer: a) Explicitly stated and evaluated
86. The purpose of solving the model is to:
    a) collect additional data only
    b) Identify a solution consistent with the model’s objective and constraints
    c) replace the original problem
    d) eliminate the need for validation
    Answer: b) Identify a solution consistent with the model’s objective and constraints
87. Which tool may be used to solve a complex OR model?
    a) A word-processing program only
    b) A presentation template
    c) Optimization software
    d) An organizational chart
    Answer: c) Optimization software
88. Model validation determines whether:
    a) The software is expensive
    b) The final report is attractive
    c) every coefficient is positive
    d) The model adequately represents the real system
    Answer: d) The model adequately represents the real system
89. Which is a useful model-validation method?
    a) Comparing model outputs with actual or historical system behavior
    b) increasing the number of variables without reason
    c) ignoring expert feedback
    d) accepting every computer output
    Answer: a) Comparing model outputs with actual or historical system behavior
90. Verification differs from validation because verification checks whether:
    a) The model represents the correct business problem
    b) The model has been implemented and calculated correctly
    c) Managers accept the recommendation
    d) The solution is profitable
    Answer: b) The model has been implemented and calculated correctly
91. Validation primarily asks:
    a) Was the computer code written correctly?
    b) Are all constraints equalities?
    c) Does the model represent the important features of the real problem?
    d) Is the model sufficiently complicated?
    Answer: c) Does the model represent the important features of the real problem?
92. Sensitivity analysis examines:
    a) Employee attitudes toward the model
    b) only the final objective value
    c) The visual design of the report
    d) How changes in model inputs affect the recommended solution
    Answer: d) How changes in model inputs affect the recommended solution
93. Sensitivity analysis is useful because:
    a) Model parameters may change or be estimated imprecisely
    b) every parameter is always fixed
    c) It eliminates all uncertainty
    d) it replaces implementation
    Answer: a) Model parameters may change or be estimated imprecisely
94. Scenario analysis involves:
    a) selecting one answer without comparison
    b) Examining model results under different sets of assumptions
    c) removing constraints
    d) analyzing historical data only
    Answer: b) Examining model results under different sets of assumptions
95. Before implementation, the analyst should:
    a) ignore practical limitations
    b) avoid communicating with managers
    c) Evaluate whether the solution is practical and acceptable
    d) remove all qualitative considerations
    Answer: c) Evaluate whether the solution is practical and acceptable
96. Implementation means:
    a) deriving the mathematical model
    b) collecting historical data
    c) validating the model only
    d) Putting the recommended solution into practice
    Answer: d) Putting the recommended solution into practice
97. Which factor often determines whether an OR recommendation is successfully implemented?
    a) Support and involvement of relevant managers and employees
    b) The number of equations in the model
    c) The length of the software code
    d) The use of technical language
    Answer: a) Support and involvement of relevant managers and employees
98. User participation during an OR study can:
    a) reduce the accuracy of all models
    b) Improve understanding, acceptance and implementation
    c) eliminate the need for analysts
    d) guarantee a unique optimum
    Answer: b) Improve understanding, acceptance and implementation
99. A technically optimal solution may fail during implementation if it:
    a) has a clearly defined objective
    b) uses accurate data
    c) Ignores organizational and behavioral factors
    d) satisfies model constraints
    Answer: c) Ignores organizational and behavioral factors
100. The final OR report should communicate:
     a) only mathematical derivations
     b) only software output
     c) only the model assumptions
     d) Findings, limitations, recommendations and expected impact
     Answer: d) Findings, limitations, recommendations and expected impact
101. Monitoring after implementation is necessary to:
     a) determine whether the solution continues to perform effectively
     b) stop collecting all data
     c) eliminate managerial responsibility
     d) prevent changes to the model
     Answer: a) Determine whether the solution continues to perform effectively
102. A model may need revision when:
     a) the final report has been submitted
     b) System conditions, objectives or data change significantly
     c) managers understand the recommendation
     d) the model has an optimal solution
     Answer: b) System conditions, objectives or data change significantly
103. Feedback from implementation should be used to:
     a) defend the original model regardless of results
     b) eliminate future studies
     c) Improve or update the model
     d) conceal performance problems
     Answer: c) Improve or update the model
104. Which sequence best represents the OR study process?
     a) Implementation, problem definition, modeling, data collection
     b) Model solution, implementation, problem definition, validation
     c) Data collection, implementation, modeling, problem definition
     d) Problem definition, data collection, model formulation, solution, validation and implementation
     Answer: d) Problem definition, data collection, model formulation, solution, validation and implementation
105. Establishing the system boundary means deciding:
     a) Which elements are included in or excluded from the study
     b) which software must be purchased
     c) how many pages the report will contain
     d) who will approve employee leave
     Answer: a) Which elements are included in or excluded from the study
106. Identifying stakeholders helps analysts understand:
     a) only the mathematical objective
     b) Who is affected by or can influence the decision
     c) only the available data
     d) which solution is automatically optimal
     Answer: b) Who is affected by or can influence the decision
107. The objective of an OR study should ideally be:
     a) broad and immeasurable
     b) hidden from stakeholders
     c) Clearly defined and measurable
     d) changed after the model is solved
     Answer: c) Clearly defined and measurable
108. Constraints in an OR model represent:
     a) only financial costs
     b) objective-function coefficients
     c) solution methods
     d) Limits, requirements or operating conditions
     Answer: d) Limits, requirements or operating conditions
109. A controllable input is one that:
     a) The decision-maker can select or influence
     b) cannot be measured
     c) is determined only by competitors
     d) must remain constant
     Answer: a) The decision-maker can select or influence
110. An uncontrollable input is usually:
     a) a decision variable
     b) An external factor outside the decision-maker’s direct control
     c) the objective function
     d) a selected production quantity
     Answer: b) An external factor outside the decision-maker’s direct control
111. A model should be as simple as possible while:
     a) ignoring the primary objective
     b) excluding all constraints
     c) Retaining the important features of the real system
     d) avoiding validation
     Answer: c) Retaining the important features of the real system
112. Overly complex models may be difficult to:
     a) formulate mathematically
     b) run on modern computers
     c) include in reports
     d) Understand, validate and implement
     Answer: d) Understand, validate and implement
113. Pilot implementation is useful because it:
     a) tests the recommendation on a limited scale before full deployment
     b) eliminates the need for monitoring
     c) guarantees complete success
     d) replaces model validation
     Answer: a) Tests the recommendation on a limited scale before full deployment
114. Documentation of an OR model should include:
     a) only the final numerical answer
     b) Assumptions, data sources, equations, methods and limitations
     c) only software screenshots
     d) confidential opinions only
     Answer: b) Assumptions, data sources, equations, methods and limitations

Section D: Scope of Operations Research in Decision-Making

115. In production management, OR can help determine:
     a) employee dress codes
     b) company logos
     c) Optimal product mix and production schedules
     d) office furniture design
     Answer: c) Optimal product mix and production schedules
116. In inventory management, OR helps determine:
     a) employee incentives
     b) selling-price labels
     c) advertising slogans
     d) Order quantities and reorder timing
     Answer: d) Order quantities and reorder timing
117. In logistics, OR is commonly used to:
     a) Design efficient transportation and distribution plans
     b) prepare annual reports
     c) select corporate colors
     d) conduct performance interviews
     Answer: a) Design efficient transportation and distribution plans
118. In marketing, OR may support:
     a) only product naming
     b) Advertising-media selection and budget allocation
     c) employee recruitment
     d) machine maintenance only
     Answer: b) Advertising-media selection and budget allocation
119. In finance, OR can assist with:
     a) office layout only
     b) payroll recording only
     c) Portfolio selection and capital budgeting
     d) product packaging
     Answer: c) Portfolio selection and capital budgeting
120. In human-resource management, OR may be applied to:
     a) brand design
     b) inventory valuation
     c) transportation routing
     d) Workforce planning and shift scheduling
     Answer: d) Workforce planning and shift scheduling
121. In project management, OR techniques such as PERT and CPM help with:
     a) Planning, scheduling and controlling project activities
     b) setting selling prices only
     c) measuring customer satisfaction
     d) recording accounting transactions
     Answer: a) Planning, scheduling and controlling project activities
122. In healthcare, operations research can help:
     a) design medical logos
     b) Allocate beds, staff, operating rooms and other resources
     c) replace medical diagnosis entirely
     d) eliminate patient uncertainty
     Answer: b) Allocate beds, staff, operating rooms and other resources
123. In airlines, OR is used for:
     a) employee biographies
     b) aircraft painting only
     c) Crew scheduling, fleet assignment and revenue management
     d) in-flight entertainment design only
     Answer: c) Crew scheduling, fleet assignment and revenue management
124. In banking, OR may support:
     a) office decoration
     b) signature design
     c) document formatting
     d) Credit decisions, cash management and branch planning
     Answer: d) Credit decisions, cash management and branch planning
125. In agriculture, OR can help decide:
     a) How to allocate land, water and labor among crops
     b) the color of farm buildings
     c) the names of agricultural products
     d) employee uniforms
     Answer: a) How to allocate land, water and labor among crops
126. In telecommunications, OR can assist with:
     a) writing customer letters
     b) Network design, capacity planning and traffic routing
     c) office attendance recording
     d) logo creation
     Answer: b) Network design, capacity planning and traffic routing
127. In public transportation, OR may be used to:
     a) select vehicle colors
     b) write route descriptions
     c) Develop routes, schedules and fleet plans
     d) design driver uniforms
     Answer: c) Develop routes, schedules and fleet plans
128. In the energy sector, OR supports:
     a) customer-logo selection
     b) staff biographies
     c) meeting-room scheduling only
     d) Generation planning, grid operation and fuel allocation
     Answer: d) Generation planning, grid operation and fuel allocation
129. In supply-chain management, OR helps coordinate:
     a) Sourcing, production, inventory and distribution
     b) only advertising
     c) only payroll
     d) only product design
     Answer: a) Sourcing, production, inventory and distribution
130. In retailing, OR can be used for:
     a) employee handwriting analysis
     b) Store location, assortment, pricing and inventory decisions
     c) creating product names only
     d) replacing every store manager
     Answer: b) Store location, assortment, pricing and inventory decisions
131. In manufacturing, facility-layout decisions aim to:
     a) increase unnecessary movement
     b) maximize waiting time
     c) Improve material flow and reduce handling cost
     d) eliminate production constraints
     Answer: c) Improve material flow and reduce handling cost
132. Maintenance models help determine:
     a) employee promotion policies
     b) advertising expenditure
     c) product color
     d) Preventive-maintenance and equipment-replacement schedules
     Answer: d) Preventive-maintenance and equipment-replacement schedules
133. In defense planning, OR may assist with:
     a) Resource deployment, logistics and mission planning
     b) uniform design only
     c) ceremonial planning only
     d) historical documentation only
     Answer: a) Resource deployment, logistics and mission planning
134. In disaster management, OR can support:
     a) public-relations writing only
     b) Evacuation, relief distribution and emergency-resource allocation
     c) office renovation
     d) entertainment scheduling
     Answer: b) Evacuation, relief distribution and emergency-resource allocation
135. In environmental management, OR may help:
     a) ignore environmental constraints
     b) maximize pollution
     c) Balance economic objectives with environmental limits
     d) eliminate measurement
     Answer: c) Balance economic objectives with environmental limits
136. In education, OR can be used for:
     a) textbook illustration only
     b) student handwriting analysis
     c) school-logo development
     d) Timetabling, classroom allocation and enrollment planning
     Answer: d) Timetabling, classroom allocation and enrollment planning
137. Which management level benefits from OR?
     a) Strategic, tactical and operational levels
     b) operational level only
     c) strategic level only
     d) middle management only
     Answer: a) Strategic, tactical and operational levels
138. At the strategic level, OR may support:
     a) daily job assignments
     b) Capacity expansion, facility location and long-term investment decisions
     c) routine stock replenishment
     d) hourly machine scheduling
     Answer: b) Capacity expansion, facility location and long-term investment decisions
139. At the tactical level, OR may support:
     a) choosing the corporate mission
     b) processing customer orders
     c) Aggregate production and workforce planning
     d) entering a new industry
     Answer: c) Aggregate production and workforce planning
140. At the operational level, OR may support:
     a) corporate mergers
     b) long-term market entry
     c) construction of a new global network
     d) Daily scheduling, routing and inventory control
     Answer: d) Daily scheduling, routing and inventory control
141. OR is valuable in decision-making because it:
     a) Makes trade-offs among competing uses of limited resources explicit
     b) eliminates the need for objectives
     c) avoids the use of data
     d) guarantees employee acceptance
     Answer: a) Makes trade-offs among competing uses of limited resources explicit
142. OR models help managers compare:
     a) only historical results
     b) Alternative courses of action
     c) only accounting transactions
     d) only employee opinions
     Answer: b) Alternative courses of action
143. What-if analysis allows decision-makers to:
     a) select alternatives randomly
     b) avoid uncertainty completely
     c) Examine how outcomes change when assumptions or inputs change
     d) remove all constraints
     Answer: c) Examine how outcomes change when assumptions or inputs change
144. A decision-support system may incorporate OR models to:
     a) replace all human judgment
     b) provide only historical reports
     c) eliminate stakeholder involvement
     d) Provide analytical information for managerial decisions
     Answer: d) Provide analytical information for managerial decisions
145. Which statement best describes the relationship between OR and managerial judgment?
     a) OR complements rather than completely replaces managerial judgment
     b) managerial judgment is unnecessary when software is available
     c) OR should be ignored when qualitative factors exist
     d) they cannot be used together
     Answer: a) OR complements rather than completely replaces managerial judgment
146. Qualitative factors should be considered because:
     a) they can always be converted into exact numbers
     b) Some important organizational effects may not be fully represented in a quantitative model
     c) they make objectives unnecessary
     d) they always override quantitative results
     Answer: b) Some important organizational effects may not be fully represented in a quantitative model
147. Which technological development has expanded the scope of OR?
     a) Reduced access to data
     b) elimination of computing systems
     c) Greater computing power, data availability and optimization software
     d) removal of mathematical methods
     Answer: c) Greater computing power, data availability and optimization software
148. The use of analytics and artificial intelligence can complement OR by:
     a) eliminating model validation
     b) replacing every mathematical method
     c) making data unnecessary
     d) Improving prediction, pattern recognition and optimization capabilities
     Answer: d) Improving prediction, pattern recognition and optimization capabilities
149. Which statement best summarizes the scope of OR?
     a) It supports better resource allocation and decision-making across many sectors
     b) It applies only to military problems
     c) It is limited to manufacturing
     d) It deals only with linear programming
     Answer: a) It supports better resource allocation and decision-making across many sectors
150. Which statement best summarizes an operations-research study?
     a) It begins with software selection and ends with model formulation
     b) It systematically defines a problem, builds and tests a model, recommends a solution and supports implementation
     c) It relies entirely on intuition
     d) It ends once a mathematical answer is calculated
     Answer: b) It systematically defines a problem, builds and tests a model, recommends a solution and supports implementation