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270+ Operations Research Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Computer Applications (BCA) , Bachelor of Management Studies (BMS) .

101.

‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ are the representation of reality

A. Models
B. Phases
C. Both A and B
D. None of the above
Answer» A. Models
102.

‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ are called mathematical models

A. Iconic Models
B. Analogue Models
C. Symbolic Models
D. None of the above
Answer» C. Symbolic Models
103.

It is not easy to make any modification or improvement in

A. Iconic Models
B. Analogue Models
C. Symbolic Models
D. None of the above
Answer» C. Symbolic Models
104.

In ‐‐‐‐‐‐‐‐‐‐ models one set of properties is used to represent another set of properties

A. Iconic Models
B. Analogue Models
C. Symbolic Models
D. None of the above
Answer» A. Iconic Models
105.

Allocation Models are ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐

A. Iconic models
B. Analogue Models
C. Symbolic Models
D. None of the above
Answer» C. Symbolic Models
106.

Probabilistic models are also known as

A. Deterministic Models
B. Stochastic Models
C. Dynamic Models
D. Static Models
Answer» B. Stochastic Models
107.

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

A. Static Models
B. Dynamic Models
C. Both A and B
D. None of the above
Answer» A. Static Models
108.

A ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ models considers time as one of the important variable

A. Static Models
B. Dynamic Models
C. Both A and B
D. None of the above
Answer» B. Dynamic Models
109.

Replacement Model is a ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ model

A. Static Models
B. Dynamic Models
C. Both A and B
D. None of the above
Answer» B. Dynamic Models
110.

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

A. Goal Programming
B. Linear Programming
C. Decision Making
D. None of the above
Answer» B. Linear Programming
111.

‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ are expressed is n the form of inequities or equations

A. Constraints
B. Objective Functions
C. Both A and B
D. None of the above
Answer» A. Constraints
112.

The objective functions and constraints are linear relationship between ‐‐‐‐‐‐‐‐‐‐‐‐‐

A. Variables
B. Constraints
C. Functions
D. All of the above
Answer» A. Variables
113.

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

A. Tripartite graph
B. Bipartite graph
C. Partite graph
D. None of the above
Answer» B. Bipartite graph
114.

All the parameters in the linear programming model are assumed to be ‐‐‐‐‐‐‐‐‐‐‐‐

A. Variables
B. Constraints
C. Functions
D. None of the above
Answer» B. Constraints
115.

The solution need not be in ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ numbers

A. Prime Number
B. Whole Number
C. Complex Number
D. None of the above
Answer» B. Whole Number
116.

Graphic method can be applied to solve a LPP when there are only ‐‐‐‐‐‐‐‐‐‐‐‐‐ variable

A. One
B. More than One
C. Two
D. Three
Answer» C. Two
117.

If the feasible region of a LPP is empty, the solution is ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐

A. Infeasible
B. Unbounded
C. Alternative
D. None of the above
Answer» A. Infeasible
118.

The variables whose coefficient vectors are unit vectors are called ‐‐‐‐‐‐‐‐‐‐‐‐

A. Unit Variables
B. Basic Variables
C. Non basic Variables
D. None of the above
Answer» B. Basic Variables
119.

Any column or raw of a simplex table is called a ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐

A. Vector
B. Key column
C. Key Raw
D. None of the above
Answer» A. Vector
120.

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

A. Constraints
B. Objective Functions
C. Both A and B
D. None of the above
Answer» B. Objective Functions
121.

If in a LPP , the solution of a variable can be made infinity large without violating the constraints, the solution is ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐

A. Infeasible
B. Unbounded
C. Alternative
D. None of the above
Answer» B. Unbounded
122.

In maximization cases , ‐‐‐‐‐‐‐‐‐‐‐‐‐ are assigned to the artificial variables as their coefficients in the objective function

A. +m
B. –m
C. 0
D. None of the above
Answer» A. +m
123.

In simplex method , we add ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ variables in the case of ‘=’

A. Slack Variable
B. Surplus Variable
C. Artificial Variable
D. None of the above
Answer» C. Artificial Variable
124.

In simplex method, if there is tie between a decision variable and a slack (or surplus) variable, ‐‐‐ ‐‐‐‐‐‐‐‐‐‐‐‐‐‐ should be selected

A. Slack variable
B. Surplus variable
C. Decision variable
D. None of the above
Answer» C. Decision variable
125.

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

A. Degenerate
B. Non‐degenerate
C. Infeasible
D. Unbounded
Answer» A. Degenerate
126.

In LPP, degeneracy occurs in ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ stages

A. One
B. Two
C. Three
D. Four
Answer» B. Two
127.

Every LPP is associated with another LPP is called ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐

A. Primal
B. Dual
C. Non‐linear programming
D. None of the above
Answer» B. Dual
128.

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

A. Profit
B. optimization
C. cost
D. None of the above
Answer» A. Profit
129.

If there are more than one optimum solution for the decision variable the solution is ‐‐‐‐‐‐‐‐‐‐‐‐‐‐

A. Infeasible
B. Unbounded
C. Alternative
D. None of the above
Answer» C. Alternative
130.

Dual of the dual is ‐‐‐‐‐‐‐‐‐‐‐‐‐‐

A. Primal
B. Dual
C. Alternative
D. None of the above
Answer» A. Primal
131.

Operations Research approach is

A. Multi‐disciplinary
B. Scientific
C. Initiative
D. All of the above
Answer» A. Multi‐disciplinary
132.

For analyzing the problem , decision – makers should normally study

A. Its qualitative aspects
B. Its quantitative aspects
C. Both A and B
D. Neither A and B
Answer» A. Its qualitative aspects
133.

Decision variables are

A. Controllable
B. Uncontrollable
C. Parameters
D. None of the above
Answer» D. None of the above
134.

The issue of decision models

A. Is possible when the variable’s value is
B. Reduces the scope of judgment and intuition known with certainty in decision making
C. Requires the knowledge of computer software use
D. None of the above
Answer» D. None of the above
135.

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

A. Assignment problem
B. Transportation problem
C. Optimization Problem
D. None of the above
Answer» A. Assignment problem
136.

An optimization model

A. Mathematically provides the best decision
B. Provides decision within its limited context
C. Helps in evaluating various alternatives constantly
D. All of the above
Answer» D. All of the above
137.

The quantitative approach to decision analysis is a

A. Logical approach
B. Rational approach
C. Scientific approach
D. All of the above
Answer» C. Scientific approach
138.

Operations Research approach is typically based on the use of

A. Physical model
B. Mathematical model
C. Iconic model
D. Descriptive model
Answer» B. Mathematical model
139.

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?

A. Supervisor
B. Manufacturer
C. Producer
D. Production manager
Answer» D. Production manager
140.

Linear programming has been successfully applied in ‐‐‐‐‐‐‐‐‐‐‐

A. Agricultural
B. Industrial applications
C. Both A and B
D. Manufacturing
Answer» C. Both A and B
141.

The term linearity implies ‐‐‐‐‐‐‐‐‐‐‐ among the relevant variables:

A. Straight line
B. Proportional relationships
C. Linear lines
D. Both A and B
Answer» D. Both A and B
142.

Process refers to the combination of ‐‐‐‐‐‐‐‐‐‐‐‐ inputs to produce a particular output.

A. one or more
B. two or more
C. one
D. None of the above
Answer» A. one or more
143.

What has always been very important in the business and industrial world, particularly with regard to problems concerning productions of commodities?

A. Linear Programming
B. Production
C. Decision – making
D. None of the above
Answer» C. Decision – making
144.

What are the main questions before a production manager?

A. Which commodity/ commodities to produce
B. In what quantities
C. By which process or processes
D. All of the above
Answer» D. All of the above
145.

Who pointed out that the businessman always studies his production function and his input prices and substitutes one input for another till his costs become the minimum possible?

A. Alan Marshall
B. Alfred Marsh
C. Alfred Marshall
D. None of the above
Answer» C. Alfred Marshall
146.

Who invented a method of formal calculations often termed as ?

A. A.V. Kantorovich
B. L.V. Kantorovich
C. T.S. Kantorovich
D. Alfred Marshall
Answer» D. Alfred Marshall
147.

Who developed Linear Programming for the purpose of scheduling the complicated procurement activities of the United States Air Force?

A. George B. Dantzig
B. James B. Dantzig
C. George B. Dante
D. George V. Dantzig
Answer» A. George B. Dantzig
148.

This method of formal calculations often termed as Linear Programming was developed later in which year?

A. 1947
B. 1988
C. 1957
D. 1944
Answer» A. 1947
149.

What is being considered as one of the most versatile management tools?

A. Electronic Computers
B. Linear Programming
C. Computer Programming
D. None of the above
Answer» B. Linear Programming
150.

LP is a major innovation since ‐‐‐‐‐‐‐‐‐‐‐‐ in the field of business decision – making, particularly under conditions of certainty.

A. Industrial Revolution
B. World War I
C. World War II
D. French Revolution
Answer» C. World War II

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