Description : When at least one of the basic variables is zero, then the basic feasible solution to a Linear Programming Problem is said to be .............................. a. Infeasible b. Unbounded c. Degenerate d. Non-degenerate
Last Answer : c. Degenerate
Description : In an LPP, if the solution of a variable can be made infinitely large without violating the constraints, then the solution is .............................. a. Infeasible b. Alternative c. Unbounded d. Unique
Last Answer : c. Unbounded
Description : If the feasible region of a linear programming problem is empty, the solution is .................... a. Unbounded b. Infeasible c. Infeasible d. Alternative
Last Answer : b. Infeasible
Description : Operations Research techniques help to find ................... solution. a. Feasible solution b. Infeasible solution c. Optimal solution d. None of these
Last Answer : c. Optimal solution
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 : 52. If an iso-profit yielding the optimal solution coincides with a constraint line, then a. The solution is unbounded b. The solution is infeasible c. The constraint which coincides is redundant d. None of the above
Last Answer : d. None of the above
Description : An optimal solution is considered as the ................... among the feasible solutions. a. Worst b. Best c. Ineffective d. None of these
Last Answer : b. Best
Description : If in a LPP, the solution of a variable can be infinity large without violating the constraints, the solution is ___ a. Infeasible b. Unbounded c. Alternative d. None of the above
Last Answer : b. Unbounded
Description : 64. If the feasible region of a LPP is empty, the solution is _______ a. Infeasible b. Unbounded c. Alternative d. None of the above
Last Answer : a. Infeasible
Description : Which of the following is true with regard to a Linear Programming Model? a. No guarantee to get integer valued solution b. The relationship among decision variables is liner c. Both a and b d. None of the these
Last Answer : d. None of the these
Description : At any iteration of simplex method, if Δj (Zj – Cj) corresponding to any nonbasic variable Xj is obtained as zero, the solution under the test is (A) Degenerate solution (B) Unbounded solution (C) Alternative solution (D) Optimal solution
Last Answer : (C) Alternative solution
Description : ........................may be defined as a method of determining an optimal program of interdependent activities in view of available resources. a. Goal programming b. Linear programming c. Decision making d. None of these
Last Answer : b. Linear programming
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 : Initial feasible solution to a transportation problem arrived through which of the following method is very near to the optimal solution: a. NWCM b. LCM c. VAM d. None of these
Last Answer : c. VAM
Description : ........................ is applied to determine optimal solution. a. NWCR b. VAM c. MODI Method d. None of these
Last Answer : c. MODI Method
Description : Constraints in an LPP are treated as active, if they: a. Do not consume all the available resources at optimality b. Represent optimal solution c. Both a and b d. None of these
Last Answer : b. Represent optimal solution
Description : Operations Research makes a ...................... attack on complex problems to arrive at optimal solution. a. Scientific b. Systematic c. Both a and b d. None of these
Last Answer : c. Both a and b
Description : Controllable variables are also called.................................. a. Slack variables b. Surplus variables c. Artificial variable d. Decision variables
Last Answer : d. Decision variables
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 : ........................variables are fictitious and cannot have any physical meaning. a. Slack variables b. Surplus variables c. Artificial variables d. Decision variables
Last Answer : c. Artificial variables
Description : Before formulating a formal L P model, it is better to: a. Verbally identify decision variables b. Express the objective function in words c. Express each constraint in words d. All of the above
Description : 58. While solving a LP model graphically, the area bounded by the constraints is called a. Feasible region b. Infeasible region c. Unbounded solution d. None of the above
Description : 55. If two constraints do not intersect in the positive quadrant of the graph, then a. The problem is infeasible b. The solution is unbounded c. One of the constraints is redundant d. None of the above
Last Answer : a. The problem is infeasible
Description : A basic feasible solution of a linear programming problem is said to be ............... if at least one of the basic variable is zero. (A) degenerate (B) non-degenerate (C) infeasible (D) unbounded
Last Answer : (A) degenerate
Description : The following transportation problem: The above solution of a given transportation problem is (A) infeasible solution (B) optimum solution (C) non-optimum solution (D) unbounded solution
Last Answer : (B) optimum solution
Description : 62. If one of the constraint of an equation in an LP problem has an unbounded solution, then a. Solution to such LP problem must be degenerate b. Feasible region should have a line segment c. Alternative solutions exists d. None of the above
Last Answer : b. Feasible region should have a line segment
Description : A LPP model doesnot contain: a. Decision b. Constraints c. Feasible solution d. Spread Sheet
Last Answer : d. Spread Sheet
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 : Linear Programming Technique helps to find an optimal use of: a. Machine b. Money c. Manpower d. All of the above
Description : 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
Last Answer : a. Degenerate
Description : Given the following statements with respect to linear programming problem: S1: The dual of the dual linear programming problem is again the primal problem S2: If either the primal or the dual problem has an unbounded objective function ... S1 and S2 (B) S1 and S3 (B) S2 and S3 (D) S1, S2 and S2
Last Answer : (D) S1, S2 and S2
Description : Graphic method can be applied to solve a liner programming problem when there are only ........................... variables a. A one b. Two c. Three d. More than three
Last Answer : b. Two
Description : In maximisation cases, ....................... are assigned to the artificial variables as their coefficients in the objective function. a. + m b. – m c. 0 d. None of these
Last Answer : a. + m
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 : All the parameters in the linear programming model are assumed to be ..................... a. Variables b. Constraints c. Functions d. None of these
Last Answer : b. Constraints
Description : ........................ models assume that the values of the variables do not change with time during a particular period. a. Dynamic b. Static c. Both a and b d. None of these
Last Answer : b. Static
Description : Operations Research cannot give perfect .................. to the problem. a. Answers b. Solutions c. Both a and b d. Decisions
Description : Dual of the dual s a .......................... a. Dual b. Primal c. Alternative d. None of these
Last Answer : b. Primal
Description : If the primal Linear Programming problem has unbounded solution, then it’s dual problem will have (A) feasible solution (B) alternative solution (C) no feasible solution at all (D) no bounded solution at all
Last Answer : (C) no feasible solution at all
Description : Decision making under certainty refers to .............................. situation. a. Deterministic b. Probabilistic c. Competitive d. None of these
Last Answer : a. Deterministic
Description : ....................... is an important Operations Research Technique to analyse the queuing behaviour. a. Game theory b. Waiting line theory c. Decision theory d. Simulation
Last Answer : b. Waiting line theory
Description : A constraint in a Linear Programming Model restricts: a. Value of objective function b. Value of decision variable c. Use of available resources d. All of the above
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 : ....................... deals with the concepts such as critical path, float, events, etc. a. Game theory b. Decision theory c. Queuing theory d. Network analysis
Last Answer : d. Network analysis
Description : ......................... deals with making sound decisions under conditions of certainty, risk and uncertainty. a. Game theory b. Network analysis c. Decision theory d. None of these
Last Answer : c. Decision theory
Description : In simplex method, ........................ should be selected when there is tie between slack/surplus variable and decision variable. a. Slack variable b. Decision variable c. Surplus variable d. None of these
Last Answer : b. Decision variable
Description : The quantitative approach to decision analysis is a .......................... a. Logical approach b. Rational approach c. Scientific approach d. All of the above
Last Answer : c. Scientific approach
Description : ............................ models involve the allocation of resources to activities in such a way that some measure of effectiveness is optimised. a. Sequencing b. Allocation c. Queuing theory d. Decision theory
Last Answer : b. Allocation
Description : Operations Research is a very powerful tool for ........................ a. Operations b. Research c. Decision making d. None of these
Last Answer : c. Decision making