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.

301.

Which of the following is an assumption of game theory?

A. The players act rationally and intelligently
B. Each payer has a finite set of possible courses of action
C. The players attempt to maximise gains or minimises losses
D. All of the above
Answer» E.
302.

........................ is applied to determine optimal solution.

A. NWCR
B. VAM
C. MODI Method
D. None of these
Answer» D. None of these
303.

The outlet where the services are being provided to the customers is called.................

A. Waiting line
B. Service facility
C. Idle facility
D. Traffic intensity
Answer» C. Idle facility
304.

When all the players of the game follow their optimal strategies, then the expected pay off of thegame is called.......................

A. Gain of the game
B. Loss of the game
C. Value of the game
D. None of these
Answer» D. None of these
305.

In India, first Operations Research application was made by ...........................

A. Pranab K Sen
B. Prof. Mahalonobis
C. Samarendra Nath Roy
D. Raghu Raj Bahadur
Answer» C. Samarendra Nath Roy
306.

............................refers to the manner in which the customers behave while being in the queue.

A. Service pattern
B. Service pattern
C. Queue discipline
D. None of these
Answer» D. None of these
307.

The solution to a transportation problem with ‘m’ rows and ‘n’ columns is feasible if the numberof positive allocations are:

A. m + n
B. m x n
C. m +n – 1
D. m +n + 1
Answer» D. m +n + 1
308.

.......................models consider time as one of the important variable.

A. Dynamic
B. Static
C. Botha and b
D. None of these
Answer» B. Static
309.

The allocated cells in the transportation table are called ..............................

A. Occupied cells
B. Empty cells
C. Unoccupied cells
D. None of these
Answer» B. Empty cells
310.

In queuing theory, ...................... is a person by whom service is rendered.

A. Customer
B. Server
C. a or b
D. none of these
Answer» C. a or b
311.

In India, Operations Research came into existence in the year ..............

A. 1940
B. 1947
C. 1949
D. 1950
Answer» D. 1950
312.

......................... is activity oriented network diagram.

A. CPM
B. PERT
C. Histogram
D. Ogive
Answer» B. PERT
313.

PERT emphasises on ...........................

A. Activity
B. Time
C. Cost
D. None of these
Answer» C. Cost
314.

Traffic intensity in Queuing Theory is also called...........................

A. Service factor
B. Arrival factor
C. Utilisation factor
D. None of these
Answer» D. None of these
315.

If the feasible region of a linear programming problem is empty, the solution is ....................

A. Unbounded
B. Infeasible
C. Infeasible
D. Alternative
Answer» C. Infeasible
316.

In network diagram, events are commonly represented by .........................

A. Arrows
B. Nodes
C. Triangles
D. None of these
Answer» C. Triangles
317.

........................variables are fictitious and cannot have any physical meaning.

A. Slack variables
B. Surplus variables
C. Artificial variables
D. Decision variables
Answer» D. Decision variables
318.

........................ model is a map which indicates roads, highways, towns and inter-relationships

A. Iconic model
B. Analogue model
C. Mathematical model
D. None of these
Answer» C. Mathematical model
319.

The EST + activity duration = ..............................

A. Earliest Finish Time
B. Latest Start Time
C. Latest Finish Time
D. None of these
Answer» B. Latest Start Time
320.

a customer’s behaviour of leaving the queue when he does not like to wait in the queue due to lackof time or space is called .....................

A. Jockying
B. Reneging
C. Collusion
D. Balking
Answer» E.
321.

VAM is also called........................

A. Matrix Minima Method
B. Penalty Method
C. MODI Method
D. None of these
Answer» C. MODI Method
322.

In waiting line theory, number of customers waiting in the queue is referred to as ................

A. Traffic intensity
B. Queuing system
C. Service pattern
D. Queue length
Answer» E.
323.

Operations Research does not give perfect solution to a problem, but it helps to improve the......................... of the solution.

A. Quality
B. Clarity
C. Look
D. None of these
Answer» B. Clarity
324.

Transportation model was first introduced by ........................ in the year 1941.

A. T C Koopman
B. George B Dantzig
C. Von-neumann
D. F L Hitchcock
Answer» E.
325.

The innovative science of Operations Research was discovered during ......................

A. Civil war
B. World war I
C. World war II
D. Industrial Revolution
Answer» D. Industrial Revolution
326.

......................... models involve more risks and uncertainties.

A. Probabilistic
B. Deterministic
C. Both a and b
D. None of these
Answer» B. Deterministic
327.

Who defined Operations Research as scientific approach to problem solving for executivemanagement.

A. E L Arnoff
B. H M Wagner
C. Churchman
D. None of these
Answer» C. Churchman
328.

An organisation chart is an example of ...........................

A. Iconic model
B. Mathematical model
C. Analogue model
D. None of these
Answer» D. None of these
329.

.................... is considered as the pioneer of Linear Programming Technique.

A. Churchman
B. D W Miller
C. James Lundy
D. George B Dantzig
Answer» E.
330.

Operations Research is a very powerful tool for ........................

A. Operations
B. Research
C. Decision making
D. None of these
Answer» D. None of these
331.

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

A. Variables
B. Constraints
C. Functions
D. None of these
Answer» C. Functions
332.

Number of customers in the queue per unit of time is called ......................

A. Queuing system
B. Length of queue
C. Average length of queue
D. None of these
Answer» D. None of these
333.

In maximisation cases, ....................... are assigned to the artificial variables as their coefficients inthe objective function.

A. + m
B. – m
C. None of these
Answer» B. – m
334.

The Hungarian method for solving an assignment problem can also be used to solve:

A. A transportation problem
B. A travelling salesman problem
C. A linear programming problem
D. Both a and b
Answer» C. A linear programming problem
335.

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

A. Iconic models
B. Symbolic models
C. Analogue models
D. None of these
Answer» C. Analogue models
336.

The O R technique which helps in minimising total waiting and service cost is:

A. Game theory
B. Queuing theory
C. Both a and b
D. Decision theory
Answer» C. Both a and b
337.

An activity which does not consume either resource or time is called .............................

A. Predecessor activity
B. Successor activity
C. Dummy activity
D. Terminal activity
Answer» D. Terminal activity
338.

Non-negativity constraints are written as ......................

A. Equality
B. Non-equality
C. Greater than or equal to
D. Less than or equal to
Answer» D. Less than or equal to
339.

The variables whose coefficient vectors are unit vectors, are called ......................

A. Unit variables
B. Basic variables
C. Non-basic variables
D. None of these
Answer» C. Non-basic variables
340.

........................... method is used to solve an assignment problem.

A. American method
B. Hungarian method
C. German method
D. British method
Answer» C. German method
341.

A customer’s behaviour of jumping from one queue to another is called ............................

A. Jockying
B. Reneging
C. Collusion
D. Balking
Answer» B. Reneging
342.

Hungarian method was developed by ........................

A. T C Koopman
B. F L Hitchcock
C. D Konig
D. George B Dantzig
Answer» D. George B Dantzig
343.

In queuing theory, ............................ stands for mean arrival rate of customers.

A. μ
B. λ
C. t
D. none of these
Answer» C. t
344.

Decision making under certainty refers to .............................. situation.

A. Deterministic
B. Probabilistic
C. Competitive
D. None of these
Answer» B. Probabilistic
345.

Traffic intensity is computed by using the formula:

A. λ/μ
B. μ/λ
C. 1- λ/μ
D. 1- μ/λ
Answer» B. μ/λ
346.

If there are more than one optimal solutions for the decision variables, the solution is ...........

A. Infeasible
B. Unbounded
C. Alternative
D. None of these
Answer» D. None of these
347.

Operations Research makes a ...................... attack on complex problems to arrive at optimalsolution.

A. Scientific
B. Systematic
C. Both a and b
D. None of these
Answer» D. None of these
348.

While solving an LPP, infeasibility may be removed by:

A. Removing a variable
B. Removing a constraint
C. Adding a variable
D. Adding a constraint
Answer» C. Adding a variable
349.

In queuing theory, ............................ stands for mean service rate.

A. μ
B. λ
C. t
D. none of these
Answer» B. λ
350.

............................is known as father of game theory.

A. Von Neumann
B. A K Erlang
C. George b Dantzig
D. Arnoff
Answer» B. A K Erlang