Description : 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
Last Answer : d. All of the above
Description : Every Linear Programming Problem is related to another Linear Programming Problem, called .......................... a. Primal b. Dual c. Non-linear Programming d. None of these
Last Answer : b. Dual
Description : Dual of the dual s a .......................... a. Dual b. Primal c. Alternative d. None of these
Last Answer : b. Primal
Description : A Transportation Problem is said to be unbalanced when total supply is not equal to ............ a. Total cost b. Total demand c. Both a and b d. None of these
Last Answer : b. Total demand
Description : 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
Last Answer : b. Queuing theory
Description : The dummy source/destination in a transportation problem is added to ........................ a. Satisfy rim constraints b. Prevent solution from becoming degenerate c. Ensure total cost does not exceed a limit d. None of the above
Last Answer : a. Satisfy rim constraints
Description : 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
Last Answer : c. Average length of queue
Description : The variables whose coefficient vectors are unit vectors, are called ...................... a. Unit variables b. Basic variables c. Non-basic variables d. None of these
Last Answer : b. Basic variables
Description : Controllable variables are also called.................................. a. Slack variables b. Surplus variables c. Artificial variable d. Decision variables
Last Answer : d. Decision variables
Description : VAM is also called........................ a. Matrix Minima Method b. Penalty Method c. MODI Method d. None of these
Last Answer : b. Penalty Method
Description : Traffic intensity in Queuing Theory is also called........................... a. Service factor b. Arrival factor c. Utilisation factor d. None of these
Last Answer : c. Utilisation factor
Description : 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
Last Answer : b. u. v. Method
Description : Matrix Minima Method to find initial feasible solution to a TP is also called ....................... a. NWCM b. LCM c. VAM d. None of these
Last Answer : c. VAM
Description : Probabilistic models are also called ........................... a. Deterministic models b. Dynamic models c. Stochastic models d. None of these
Last Answer : c. Stochastic models
Description : In India, first Operations Research unit was set up at ................................. a. Regional Research Laboratory, Hyderabad b. Indian Statistical Institute, Kolkotha c. Indian Institute of Science and Technology, Bengaluru d. Indian Institute of Science and Technology, Mohali
Last Answer : a. Regional Research Laboratory, Hyderabad
Description : Queuing theory is also termed as ............................ a. Game theory b. Replacement theory c. Waiting line theory d. None of these
Last Answer : c. Waiting line theory
Description : 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
Last Answer : b. A travelling salesman problem
Description : .......................... 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
Last Answer : b. Total float
Description : ............................ is the sequence of activities which determines the total project duration. a. Critical path b. Network c. Non-critical activities d. None of these
Last Answer : a. Critical path
Description : A matrix which shows the gains and losses resulting from moves and counter moves is called.................................. a. Cost matrix b. Pay off matrix c. Both a and b d. None of these
Last Answer : b. Pay off matrix
Description : In Transportation Problem, LCM stands for ............................. a. Lowest Common Multiplier b. Least Cost Method c. Lowest Cell Method d. None of these
Last Answer : b. Least Cost Method
Description : In Transportation Problem, NWCM stands for ............................. a. North West Cost Method b. Net Worth Corner Method c. North West Corner Method d. None of these
Last Answer : c. North West Corner Method
Description : PERT emphasises on ........................... a. Activity b. Time c. Cost d. None of these
Last Answer : b. Time
Description : For a minimisation Transportation Problem, the objective is to minimise: a. Profit b. Cost c. Solution d. None of these
Last Answer : b. Cost
Description : In a maximisation assignment problem, the objective is to maximise ............................. a. Profit b. Cost c. Optimisation d. None of these
Last Answer : a. Profit
Description : 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
Last Answer : b. Uncontrollable variables
Description : The variables which can be manipulated by the decision maker are called.................... a. Controllable variables b. Uncontrollable variables c. Both a and b d. None of these
Last Answer : a. Controllable variables
Description : 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
Last Answer : b. Service facility
Description : A customer’s behaviour of jumping from one queue to another is called ............................ a. Jockying b. Reneging c. Collusion d. Balking
Last Answer : a. Jockying
Description : A customer’s behaviour of leaving the queue due to impatience is called ....................... a. Jockying b. Reneging c. Collusion d. Balking
Last Answer : b. Reneging
Description : a customer’s behaviour of leaving the queue when he does not like to wait in the queue due to lack of time or space is called ..................... a. Jockying b. Reneging c. Collusion d. Balking
Last Answer : d. Balking
Description : The ration between mean arrival rate and mean service rate is called ................... a. Idle period b. Average length of queue c. Traffic intensity d. None of these
Last Answer : c. Traffic intensity
Description : When all the players of the game follow their optimal strategies, then the expected pay off of the game is called....................... a. Gain of the game b. Loss of the game c. Value of the game d. None of these
Last Answer : c. Value of the game
Description : Each participant of the game is called................... a. Strategist b. Winner c. Player d. Loser
Last Answer : c. Player
Description : Activities that cannot be started until one or more of the other activities are completed, are called.......................................... a. Dummy activities b. Initial activities c. Successor activities d. Predecessor activities
Last Answer : c. Successor activities
Description : Activities lying on critical path are called ............................ a. Critical activities b. Non-critical activities c. Dummy activities d. None of these
Last Answer : a. Critical activities
Description : An activity which does not consume either resource or time is called ............................. a. Predecessor activity b. Successor activity c. Dummy activity d. Terminal activity
Last Answer : c. Dummy activity
Description : An activity which must be completed before commencement of one or more other activities is called................................. a. Successor activity b. Predecessor activity c. Dummy activity d. None of these
Last Answer : b. Predecessor activity
Description : The allocated cells in the transportation table are called .............................. a. Occupied cells b. Empty cells c. Unoccupied cells d. None of these
Last Answer : a. Occupied cells
Description : While solving a LPP graphically, the area bounded by constraints is called ................. a. Feasible region b. Infeasible region c. Unbounded region d. None of these
Last Answer : a. Feasible region
Description : .........................are called mathematical models. a. Iconic models b. Symbolic models c. Analogue models d. None of these
Last Answer : b. Symbolic models
Description : If a simplex table shows the values 2, -3, 0 against “θ”, which should be taken as the replacement ratio. a. 2 b. -3 c. 0 d. None of these
Last Answer : c. 0
Description : .................... is the popular method for solving an assignment problem. a. Hungarian Method b. Enumeration Method c. Simplex Method d. None of the above
Last Answer : a. Hungarian Method
Description : Hungarian method was developed by ........................ a. T C Koopman b. F L Hitchcock c. D Konig d. George B Dantzig
Last Answer : c. D Konig
Description : 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
Description : 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
Last Answer : d. F L Hitchcock
Description : ................................is that element of the simplex table which lis both in the key row and key column. a. Key element b. Pivot element c. Both a and b d. None of these
Last Answer : c. Both a and b
Description : Game theory became popular when the book “Theory of Games and Economic Behaviour” was published in 1944 by .............................. a. Von Neumann b. Mc Closky c. Von-Neumann and Mc Closky d. Von-neumann and Morgenstern
Last Answer : d. Von-neumann and Morgenstern
Description : Traffic intensity is computed by using the formula: a. λ/μ b. μ/λ c. 1- λ/μ d. 1- μ/λ
Last Answer : a. λ/μ
Description : ..............................was the first person who developed a viable queueing theory a. Von Neumann b. Morgenstern c. H M Wagner d. Simeon Dennis Poisson
Last Answer : d. Simeon Dennis Poisson