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Operations Research Objective Questions and Answers

Operations Research Objective Questions and Answers. Operations research MCQ with answers for the preparation competitive & academic exams.

Are you searching for Operations Research Objective Questions and Answers? If so, you have come to the right place. Here we provide a comprehensive list of questions and answers related to operations research that cover a wide range of topics.

This article aims to provide an overview of the field and help students understand the fundamentals of operations research quickly and easily. It is written with a focus on practical application as well as theoretical understanding.

What is Operations Research

Operations Research is a scientific approach to decision-making that involves the use of mathematical models, statistical analysis, and optimization techniques.

It is an interdisciplinary field that integrates concepts from mathematics, statistics, computer science, and engineering to optimize complex systems. Operations Research aims at improving organizational efficiency and productivity by solving real-world problems.

The origins of Operations Research can be traced back to World War II when military personnel used mathematical models to improve strategic planning and logistics.

Since then, it has evolved into a powerful tool for decision-makers in various fields such as transportation, healthcare, finance, and manufacturing. The applications of Operations Research are diverse; from scheduling airline flights to optimizing the production line in a factory.

One of the key features of Operations Research is its ability to provide quantitative solutions to complex problems.

Operations Research MCQs with answers

1. KAP stands for – a. Knowledge awareness practice b. Knowledge authority process c. Knowledge awareness process d. None of the following

Answer: (a)

2. It is defined as a systematic viewing of specific phenomena in their proper setting for the specific purpose of gathering data for a particular study a. Observation b. Research c. Analysis d. Scientific method

3. The ___ is a part of the phenomenon or group which is observed and he acts as both an observer and a participant. a. Researcher b. Observe c. Analyses d. None of the above

Answer: (b)

4. A ___ is the arrangement of conditions for the collection and analysis of data in a manner that aims to combine relevance to the research purpose with economy in procedure. a. Research design b. Research study c. Research model d. Both a & c

Answer: (d)

5. Research is a ___ and ___ study of an issue. a. Systematic and logical b. Arbitrary and scientific c. Verifiable and accurate d. Rational and precise

6. Who said- “Research is a systematic controlled, empirical and critical investigation of hypothetical propositions about the presumed relations among natural phenomena.” a. Young b. Kerlinger c. Porter d. None of the above

7. Scientific Method implies- a. Systematic step-by-step procedure following the logical processes of reasoning. b. Means for gaining knowledge of the universe c. It doesn’t refer to a specific subject of matter d. All of the above

8. Research simply stands for: a. Search for facts b. Answers to questions c. Solutions to problems d. All of the above

9. Research is for- a. To find explanations to unexplained phenomenon b. To clarify the doubtful facts c. To correct the misconceived facts d. All of the above

10. Good research design reduces the was the tag of ___ and ___ a. Time, cost b. All resources c. Manpower, time d. Time, data

11. Stratification process involves three major decisions, stratification bases, ___ and ___ a. Number, sizes b. State sample sizes number of strata c. Both a & b d. All of the above

12. It is a two-way systematic conversation between an investigator and an informant, initiated for obtaining information relevant to a specific study. a. Research b. Interview c. Interviewing d. Observation

Answer: (c)

13. When a sufficient number of qualified interviewers are available, ___ is feasible a. Personal interview b. Individual interview c. Group interview d. None of the above

14. This type of interview is used for large-scale formalized surveys. a. None-directed interview b. Focused interview c. Structured interview d. Depth interview

15. This interviewing is more useful in case studies rather than surveys. a. Unstructured b. Non-directive interview c. Both a and b d. Focused interview

16. The ___ interview permits the interviewer to obtain details of personal reactions, specific emotions, and the like. a. Focused b. Clinical c. Depth d. Structured

17. Social casework, prison administration, psychiatric clinics, etc. are the most common types of ___ interview. a. Focused b. Clinical c. Depth d. Structured

18. This requires much more training on interpersonal skills. a. Depth interview b. Structured interview c. Clinical interview d. Focused interview

19. Information furnished by the respondent in the interview is recorded by the: a. Interviewer b. Investigator c. Observer d. Researcher

20. Interview is an ___ process a. Interactive b. Interaction c. Dealing d. Communicating

21. The investigator should plan the ___ for dealing with various situations of respondents. a. Methods b. Procedure c. Strategies d. Cases

22. Before starting the research interview, the interviewer should establish a ___ also called a friendly relationship with the respondent. a. Report b. Relationship c. Image d. Goodwill

23. ___ distinguishes five principal symptoms of inadequate response. a. Blummar b. Kahn and Cannel c. Taylor d. Doan John

24. ___ reduces the effective sample size and its representativeness. a. Inaccessibility b. Refusal c. Non-responses d. All of the above

25. A ___ is defined as a method of collecting primary data in which a number of individuals with a common interest interact with each other. a. Group interview b. Group discussion c. Both a and b d. None

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Operations Research

1. Operations Research approach is ______________.

• multi-disciplinary
• collect essential data

2. A feasible solution to a linear programming problem ______________.

• must satisfy all the constraints of the problem simultaneously
• need not satisfy all of the constraints, only some of them
• must be a corner point of the feasible region.
• must optimize the value of the objective function

3. If any value in XB column of final simplex table is negative, then the solution is ______________.

• no solution

4. For any primal problem and its dual______________.

• optimal value of objective function is same
• dual will have an optimal solution iff primal does too
• primal will have an optimal solution iff dual does too
• both primal and dual cannot be infeasible

5. The difference between total float and head event slack is ______________

• independent float
• interference float
• linear float

6. An optimal assignment requires that the maximum number of lines which can be drawn through squares with zero opportunity cost should be equal to the number of ______________.

• rows or columns
• rows and columns.
• rows+columns- 1
• rows-columns.

7. To proceed with the Modified Distribution method algorithm for solving an transportation problem, the number of dummy allocations need to be added are______________.

8. Select the correct statement

• EOQ is that quantity at which price paid by the buyer is minimum
• If annual demand doubles with all other parameters remaining constant, the Economic Order Quantity is doubled
• Total ordering cost equals holding cost
• Stock out cost is never permitted

9. Service mechanism in a queuing system is characterized by ______________.

• customers behavior
• servers behavior
• customers in the system
• server in the system

10. The objective of network analysis is to______________.

• minimize total project duration
• minimize toal project cost
• minimize production delays, interruption and conflicts
• maximize total project duration

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• Operations Research Objective Question and Answer

Operations Research MCQs Quiz Multiple Choice Questions & Answers

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MCQ quiz on Operations Research multiple choice questions and answers on Operations Research MCQ questions on Operations Research objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams.

Operations Research Questions with Answers

1. Operations Research (OR), which is a very powerful tool for

• Decision – Making
• None of the above

2. Who coined the term Operations Research?

• F.N. Trefethen
• Both A and B
• J.F. McCloskey

3. An objective function which states the determinants of the quantity to be either maximized or minimized is called

• Optimal function
• Criterion function
• Feasible function

4. .........................is another method to solve a given LPP involving some artificial variable ?

• Method of penalties
• Two.phase simplex method
• Big M method

5. .........................which is a subclass of a linear programming problem (LPP)

• Transportation problem
• Computer problem
• Both are incorrect
• Programming problem

6. .................assumption means the prior knowledge of all the coefficients in the objective function, the coefficients of the constraints and the resource values.

• Finite choices
• Proportionality

7. ................are the representation of reality

8. ................models are obtained by enlarging or reducing the size of the item

• Analogue Models
• Symbolic Models
• Iconic Models

9. ...............are called mathematical models

10. ...............models assumes that the values of the variables do not change with time during a particular period

• Dynamic Models
• Static Models

11. ...............models involves the allocation of resources to activities in such a manner that some measure of effectiveness is optimized.

• Allocation Models
• Queuing Theory
• Decision Theory

12. ..............are expressed is n the form of inequities or equations

• Objective Functions
• Constraints

13. .............may be defined as a method of determining an optimum programme inter dependent activities in view of available resources

• Linear Programming
• Decision Making
• Goal Programming

14. .............refers to the combination of one or more inputs to produce a particular output.

15. ............is one of the fundamental combinatorial optimization problems.

• Optimization Problem
• Assignment problem

16. A basic solution which also satisfies the condition in which all basic variables are non.negative is called

• Feasible solution
• Optimal solution
• Basic feasible solution

17. A BFS of a LPP is said to be...............if at least one of the basic variable is zero

• Non.degenerate

18. A feasible solution is called a basic feasible solution if the number of non.negative allocations is equal to

19. A given TP is said to be unbalanced, if the total supply is not equal to the total

• Optimization

20. A minimization problem can be converted into a maximization problem by changing the sign of coefficients in the

21. A non – degenerate basic feasible solution is the basic feasible solution which has exactly m positive Xi (i=1,2,…,m), i.e., none of the basic variable is

22. A path formed by allowing horizontal and vertical lines and the entire corner cells of which are occupied is called a

• Closed path
• Occupied path

23. A set of values X1, X2,…Xn which satisfies the constraints of the LPP is called

24. A solution may be extracted from a model either by

• Mathematical analysis
• Diversified Techniques
• Conducting experiments on it

25. A...................models considers time as one of the important variable

26. A........has rows / column having non. basic cells for holding compensating (+) or (.) sign.

• Dead – end

27. According to transportation problem number of basic cells will be exactly

28. After determining every basic cell with in this cycle, adjustment is obtained as minimum value in basic cells . this is known as

• Alternatives
• Adjustment amount

29. All the constraints are expressed as equations and the right hand side of each constraint and all variables are non.negative is called

• Canonical form
• Canonical solution
• Canonical variable

30. All the parameters in the linear programming model are assumed to be

31. Allocation Models are

• Iconic models

32. Allocation problems can be solved by

• Non – Linear Programming Technique
• Linear Programming Technique

33. An assumption that implies that finite numbers of choices are available to a decision – maker and the decision variables do not assume negative values is known as

34. An objective function is maximized when it is a..........function

35. An optimal solution is the..........stage of a solution obtained by improving the initial solution

36. An optimization model

• Provides decision within its limited context
• Helps in evaluating various alternatives constantly
• All of the above
• Mathematically provides the best decision

37. An optimum solution is considered the.............among feasible solutions.

• Ineffective

38. Any column or raw of a simplex table is called a

39. Any feasible solution to a transportation problem containing m origins and n destinations is said to be

• Independent

40. Any feasible solution which optimizes (minimizes or maximizes) the objective function of the LPP is called its

• Non.basic variables

41. Any set of non.negative allocations (Xij>0) which satisfies the raw and column sum (rim requirement )is called a

• Linear programming

42. Any solution to a LPP which satisfies the non. negativity restrictions of the LPP is called its

• Unbounded solution

43. As for maximization in assignment problem, the objective is to maximize the

• optimization

44. Assignment problem helps to find a maximum weight identical in nature in a weighted

• Bipartite graph
• Partite graph
• Tripartite graph

45. Basic cells indicate positive values and non. basic cells have..........value for flow

46. Before starting to solve the problem, it should be balanced. If not then make it balanced by..........column incase demand is less than supply or by adding.........................raw incase supply is less than the demand

• Horizontal, Vertical
• Unshipped supply, Shortage

47. Currently, LPP is used in solving a wide range of practical

• Agricultural problems
• Manufacturing problems
• Business problems

48. Decision variables are

• Uncontrollable
• Controllable

49. Dual of the dual is

• Alternative

50. Every LPP is associated with another LPP is called

• Non.linear programming
• Next →

Multiple Choice Questions and Answers on Operations Research

Operations research multiple choice questions and answers, operations research trivia quiz, operations research question and answer pdf online.

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Operations Research Multiple Choice Questions and Answers

Operations Research Multiple Choice Questions and Answers pdf for MBA BBA online and offline exams of various Institutions.

1. The main objective of OR is to provide a ___, ___ to the decision-makers. Ans. Scientific basis

2. OR employs a team of ___ from ___ ___. Ans. Scientists, different disciplines

3. Mention two applications of OR. Ans. Industry Planning

4. How can a hospital benefit from the application of OR methods? Ans. To solve waiting for problems

5. OR ___ inter-disciplinary approach. Ans. Imbibes

6. OR increases the effectiveness of ___ ability. Ans. Decision making

7. OR gives a qualitative solution Ans. True

8. One of the OR phases is the Action phase Ans. True

9. Diagram belongs to the physical model Ans. True

10. Allocation problems are represented by the iconic model Ans. False

11. OR methodology consists of definition, solution and validation only. Ans. False

12. The interaction between the OR team and Management reaches peak level in the implementation phase. Ans. False

13. OR imbibes ___ team approach. Ans. Inter-disciplinary

14. Linear programming is the tool of ___. Ans. OR

15. The three phases of OR are ___. Ans. Judgement phase, Research phase & Action phase

16. To solve any problem through the OR approach the first step is ___. Ans. Define the problem

17. ___ represents a real-life system. Ans. Model

18. ___ represents the controlled variables of the system Ans. Parameters

19. Both the objective function and constraints are expressed in ___ forms. Ans. Linear

20. LPP requires existence of ___, ___, ___ and ___. Ans. An alternate course of action

21. Solution of decision variables can also be ____. Ans. Fractious

22. One of the characteristics of canonical form in the objective function must be of maximisation. Ans. True

23. 2x – 3y ≤ 10 can be written as -2x + 3y ≥-10 Ans. True

24. The collection of all feasible solutions is known as the ___ region. Ans. Feasible

25. A linear inequality in two variables is known as a ___. Ans. Half-plan

26. The feasible region is a convex set Ans. True

27. The optimum value occurs the anywhere infeasible region Ans. False

28. We add a surplus variable for “≤” of constraint. Ans. False

29. The right-hand side element of each constraint is non-negative. Ans. True

30. A basic solution is said to be a feasible solution if it satisfies all constraints. Ans. True

31. If one or more values of the basic variable are zero then the solution is said to be degenerate. Ans. True

32. The right-hand side element of each constraint is non-negative. Ans. Yes

33. The key column is determined by Zj – Cj row. Ans. Yes

34. Pivotal element lies on the crossing of the key column and key row. Ans. No

35. The negative and infinite ratios are considered for determining key row. Ans. Yes

36. The value of artificial value is “M”. Ans. Yes

37. Artificial variables enter as basic variables. Ans. Yes

38. Dual LPP always reduces the amount of computation. Ans. No

39. It is possible to reverse the dual LPP to primal LPP Ans. Yes

40. The coefficients of decision variables in the objective function become quantities on the right-hand side of ___. Ans. Dual

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