Explore topic-wise MCQs in Current Affairs.

This section includes 2265 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

251.

In queuing theory, ...................... refers to those waiting in a queue or receiving service.

A. Service provider
B. Customer
C. Both a and b
D. None of these
Answer» C. Both a and b
252.

................... is an event oriented network diagram.

A. CPM
B. PERT
C. Histogram
D. Ogive
Answer» C. Histogram
253.

Operations Research Society of India was formed in the year ..................

A. 1950
B. 1955
C. 1957
D. 1960
Answer» D. 1960
254.

............................ is the latest time by which an activity can be finished without delaying thecompletion of the project.

A. LST
B. LFT
C. EFT
D. EST
Answer» C. EFT
255.

An event which represents the beginning of more than one activity is a :

A. Merge event
B. Net event
C. Burst event
D. None of these
Answer» D. None of these
256.

If a simplex table shows the values 2, -3, 0 against “θ”, which should be taken as the replacementratio.

A. 2
B. -3
C. None of these ***
Answer» D.
257.

The assignment problem is:

A. Requires that only one activity be assigned to each resource
B. Is a special case of transportation problem
C. Can be used to maximise resource
D. All the above
Answer» E.
258.

..................... are expressed in the form of equations

A. Objectives
B. Constraints
C. Both a and b
D. None of these
Answer» C. Both a and b
259.

............................... is concerned with determination of the most economic replacement policy.

A. Probabilistic programming
B. Linear programming
C. Search theory
D. Replacement theory
Answer» E.
260.

Matrix Minima Method to find initial feasible solution to a TP is also called .......................

A. NWCM
B. LCM
C. VAM
D. None of these
Answer» D. None of these
261.

.................... defined Operations Research as “the art of winning wars without actually fighting.”

A. H M Wagner
B. H A Taha
C. T L Saaty
D. Arthur Clark
Answer» E.
262.

A minimisation problem can be connected into maximisation problem by changing the signs ofcoefficients in the ...........................

A. Constraints
B. Objectives
C. Both a and b
D. None of these
Answer» C. Both a and b
263.

By the beginning of ........................., the industries in USA realised the importance ofManagement Science in solving business and management problems.

A. 1930s
B. 1940s
C. 1950s
D. 1960s
Answer» D. 1960s
264.

MODI Method to test the optimality of a feasible solution to TP is also called...............

A. Stepping Stone Method
B. u. v. Method
C. both a and b
D. none of these
Answer» C. both a and b
265.

Commonly assumed probability distribution of arrival pattern is .......................

A. Poisson distribution
B. Binomial distribution
C. Normal distribution
D. None of these
Answer» B. Binomial distribution
266.

Any column or row of a simplex table is known as .........................

A. Key column
B. Key row
C. Vector
D. None of these
Answer» D. None of these
267.

.......................... is the duration by which an activity can be delayed without delaying the project.

A. Slack
B. Total float
C. Both a and b
D. None of these
Answer» C. Both a and b
268.

The graphical method if LPP uses:

A. Linear equations
B. Constraint equations
C. Objective function
D. All of the above
Answer» E.
269.

............................ models involve the allocation of resources to activities in such a way that somemeasure of effectiveness is optimised.

A. Sequencing
B. Allocation
C. Queuing theory
D. Decision theory
Answer» C. Queuing theory
270.

................................was the first person who developed a viable queueing theory

A. Von Neumann
B. Morgenstern
C. H M Wagner
D. Simeon Dennis Poisson
Answer» E.
271.

In Transportation Problem, LCM stands for .............................

A. Lowest Common Multiplier
B. Least Cost Method
C. Lowest Cell Method
D. None of these
Answer» C. Lowest Cell Method
272.

In a network diagram, activity is denoted by ............................

A. Node
B. Arrow
C. Triangle
D. None of these
Answer» C. Triangle
273.

The maximise criteria is ...........................

A. Optimistic
B. Pessimistic
C. Neutral
D. None of these
Answer» C. Neutral
274.

A matrix which shows the gains and losses resulting from moves and counter moves iscalled..................................

A. Cost matrix
B. Pay off matrix
C. Both a and b
D. None of these
Answer» C. Both a and b
275.

Excess of service facilities over and above the number of customers results:

A. Idleness of service capacity
B. Queues
C. Both a and b
D. None of these
Answer» B. Queues
276.

Which of the followings is an assumption of Linear Programming Technique?

A. Divisibility
B. Additivity
C. Proportionality
D. All of the above
Answer» E.
277.

PERT stand for:

A. Performance Evaluation Review Technique
B. Programme Evaluation Review Technique
C. Programme Evaluation Research Technique
D. None of these
Answer» C. Programme Evaluation Research Technique
278.

An assignment problem can be solved by .........................

A. Simplex method
B. Transportation method
C. Both a and b
D. None of these
Answer» D. None of these
279.

In Linear Programming Problem, degeneracy occurs in ................. stages.

A. One
B. Two
C. Three
D. Four
Answer» C. Three
280.

In transportation Problems, VAM stands for .........................

A. Value Addition Method
B. Vogel’s Approximation Method
C. Virgenean Approximation Method
D. None of these
Answer» C. Virgenean Approximation Method
281.

The position in the pay off matrix where the maximin coincides with the minimax.

A. Saddle point
B. Break even point
C. Pivot point
D. None of the above
Answer» B. Break even point
282.

......................... is a series of activities related to a project.

A. Network
B. Transportation Model
C. Assignment model
D. None of these
Answer» B. Transportation Model
283.

In an LPP, if the solution of a variable can be made infinitely large without violating theconstraints, then the solution is ..............................

A. Infeasible
B. Alternative
C. Unbounded
D. Unique
Answer» D. Unique
284.

Which of the following method is used to solve mixed strategy problems:

A. Probability method
B. Graphic method
C. Linear Programming method
D. All of the above
Answer» E.
285.

Operations Research has the characteristic that it is done by a team of .....................

A. Scientists
B. Mathematicians
C. Academicians
D. Politicians
Answer» B. Mathematicians
286.

Operations Research uses models to help the management in determining its ....................scientifically.

A. Policies
B. Actions
C. Both a and b
D. None of these
Answer» D. None of these
287.

A queue is formed when the demand for a service:

A. Exceeds the capacity to provide that service
B. Is less than the capacity to provide that service
C. a or b
D. None of these
Answer» B. Is less than the capacity to provide that service
288.

The outcome of a game is known as....................

A. Profit
B. Loss
C. Pay off
D. None of these
Answer» D. None of these
289.

Which of the following is a characteristic of a dual problem:

A. Dual of a dual is primal
B. If dual has a finite optimal solution, then the primal also has finite optimal solution
C. If dual has no feasible solution, then the primal also has no feasible solution
D. All of the above
Answer» E.
290.

................................is that element of the simplex table which lis both in the key row and keycolumn.

A. Key element
B. Pivot element
C. Both a and b
D. None of these
Answer» D. None of these
291.

Linear Programming Technique helps to find an optimal use of:

A. Machine
B. Money
C. Manpower
D. All of the above
Answer» E.
292.

Every Linear Programming Problem is related to another Linear Programming Problem, called..........................

A. Primal
B. Dual
C. Non-linear Programming
D. None of these
Answer» C. Non-linear Programming
293.

A model is a ...........................

A. An essence of reality
B. An approximation
C. An idealisation
D. All of the above
Answer» E.
294.

...................... is a method of analysing the current movement of the some variable in aneffort to predict the future movement of the same variable.

A. Goal programming
B. Queuing theory
C. Markov Analysis
D. Replacement theory
Answer» D. Replacement theory
295.

Which of the following methods is used to solve an assignment problem:

A. Enumeration Method
B. Hungarian Method
C. Simplex Method
D. All of the above
Answer» E.
296.

Commonly assumed probability distribution of service pattern are .......................

A. Poisson distribution
B. Exponential distribution
C. Erlang distribution
D. b and c
Answer» E.
297.

Operations Research cannot give perfect .................. to the problem.

A. Answers
B. Solutions
C. Both a and b
D. Decisions
Answer» D. Decisions
298.

Straight lines shown in a linear programming graph indicates ...........................

A. Objective function
B. Constraints
C. Points
D. All of the above
Answer» C. Points
299.

The variables which cannot be manipulated by the decision maker are called....................

A. Controllable variables
B. Uncontrollable variables
C. Both a and b
D. None of these
Answer» C. Both a and b
300.

A customer’s behaviour of leaving the queue due to impatience is called .......................

A. Jockying
B. Reneging
C. Collusion
D. Balking
Answer» C. Collusion