Description : A minimisation problem can be connected into maximisation problem by changing the signs of coefficients in the ........................... a. Constraints b. Objectives c. Both a and b d. None of these
Last Answer : b. Objectives
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 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 : 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 : Initial feasible solution to a transportation Problem can be found out by ......................... a. VAM b. MODI Method c. Both a and b d. None of these
Last Answer : a. VAM
Description : The solution to a transportation problem with ‘m’ rows and ‘n’ columns is feasible if the number of positive allocations are: a. m + n b. m x n c. m +n – 1 d. m +n + 1
Last Answer : c. m +n – 1
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 : 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 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 : 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
Last Answer : d. All the above
Description : An assignment problem can be solved by ......................... a. Simplex method b. Transportation method c. Both a and b d. None of these
Last Answer : c. Both a and b
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 a series of activities related to a project. a. Network b. Transportation Model c. Assignment model d. None of these
Last Answer : a. Network
Description : In transportation Problems, VAM stands for ......................... a. Value Addition Method b. Vogel’s Approximation Method c. Virgenean Approximation Method d. None of these
Last Answer : b. Vogel’s Approximation Method
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 : 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 : 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
Last Answer : a. Quality
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 : 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 : Straight lines shown in a linear programming graph indicates ........................... a. Objective function b. Constraints c. Points d. All of the above
Last Answer : b. Constraints
Description : The graphical method if LPP uses: a. Linear equations b. Constraint equations c. Objective function d. All of the above
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 : 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 : 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 outcome of a game is known as.................... a. Profit b. Loss c. Pay off d. None of these
Last Answer : c. Pay off
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
Description : A LPP model doesnot contain: a. Decision b. Constraints c. Feasible solution d. Spread Sheet
Last Answer : d. Spread Sheet
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 : ........................ is applied to determine optimal solution. a. NWCR b. VAM c. MODI Method d. None of these
Last Answer : c. MODI Method
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 : 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 : 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 : 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
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 there are more than one optimal solutions for the decision variables, the solution is ........... a. Infeasible b. Unbounded c. Alternative d. None of these
Last Answer : c. Alternative
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 : 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 : ........................... method is used to solve an assignment problem. a. American method b. Hungarian method c. German method d. British method
Last Answer : b. Hungarian method
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 : In Linear Programming Problem, degeneracy occurs in ................. stages. a. One b. Two c. Three d. Four
Last Answer : b. Two
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
Description : The method used for solving an assignment problem is: a. Reduced matrix method b. MODI method c. Hungarian method d. None of these
Last Answer : c. Hungarian method
Description : Operations Research cannot give perfect .................. to the problem. a. Answers b. Solutions c. Both a and b d. Decisions
Description : Who defined Operations Research as scientific approach to problem solving for executive management. a. E L Arnoff b. H M Wagner c. Churchman d. None of these
Last Answer : b. H M Wagner
Description : Shadow price is also called ...................... a. Dual price b. Unit price c. Total cost d. None of these
Last Answer : a. Dual price
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 : PERT emphasises on ........................... a. Activity b. Time c. Cost d. None of these
Last Answer : b. Time
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