Description : 56. Constraints in LP problem are called active if they a. Represent optimal solutions b. At optimality do not consume all the available resources c. Both a & b d. None of the above
Last Answer : a. Represent optimal solutions
Description : 40. Which of the following is a limitation associated with an LP model a. The relationship among decision variables is linear b. No guarantee to get integer valued solutions c. No considerations of effect of time & uncertainty on LP model d. All of the above
Last Answer : d. All of the above
Description : 13. Operations Research cannot give perfect _____ to problems a. Answers b. Solutions c. Both a & b d. Decisions
Last Answer : c. Both a & b
Description : An optimum solution is considered the _____ among feasible solutions a. Worst b. Best c. Ineffective d. None of the above
Last Answer : b. Best
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 : 59. Alternative solutions exist of an LP model when a. One of the constraints is redundant b. Objective function equation is parallel to one of the constraints c. Two constraints are parallel d. All of the above
Last Answer : b. Objective function equation is parallel to one of the constraints
Description : 51. An iso-profit line represents a. An infinite number of solutions all of which yield the same profit b. An infinite number of solutions all of which incurs the same cost c. An infinite number of optimal solutions d. A boundary of the feasible region
Last Answer : . An infinite number of solutions all of which yield the same profit
Description : 2. Who coined the term Operations Research? a. J.F. McCloskey b. F.N. Trefethen c. P.F. Adams d. Both a & b
Last Answer : a. J.F. McCloskey
Description : If the number of jobs is not equal to the number of resources, then the problem is term as _____ assignment problem a. Balanced b. Unbalanced c. Equal d. Unequal
Last Answer : b. Unbalanced
Description : If the number of jobs is equal to the number of resources, then the problem is term as _____ assignment problem a. Balanced b. Unbalanced c. Equal d. Unequal
Last Answer : a. Balanced
Description : An optimal solution of an assignment problem can be obtained only if a. Each row & column has only one zero element b. Each row & columns has at least one zero element c. The data is arrangement in a square matrix d. None of the above
Last Answer : d. None of the above
Description : An optimal assignment requires that the maximum number of lines that can be drawn through squares with zero opportunity cost be equal to the number of a. Rows or columns b. Rows & columns c. Rows + columns -1 d. None of the above
Last Answer : b. Rows & columns
Description : All the constraints are expressed as equations and the right hand side of each constraint and all variables are non-negative is called_______ a. Canonical variable b. Canonical form c. Canonical solution d. Both a & b
Last Answer : b. Canonical form
Description : 57. The solution space(region) of an LP problem is unbounded due to a. An incorrect formulation of the LP model b. Objective function is unbounded c. Neither a nor b d. Both a & b
Last Answer : b. Objective function is unbounded c. Neither a nor b
Description : 46. Linear programming has been successfully applied in __________ a. Agricultural b. Industrial applications c. Both a & b d. manufacturing
Description : 34. Maximization of objective function in an L P model means a. Value occurs at allowable set of decisions b. Highest value is chosen among allowable decisions c. Neither of above d. Both a & b
Last Answer : a. Value occurs at allowable set of decision
Description : 2. Non-Negativity condition is an important component of L P model because a. Variables value should remain under the control of the decision-maker b. Value of variables make sense & correspond to real-world problems c. Variables are interrelated in terms of limited resources d. None of the above
Last Answer : b. Value of variables make sense & correspond to real-world problems
Description : 31. Constraints in an LP model represents a. Limitations b. Requirements c. Balancing limitations & requirements d. All of the above
Description : 30. The distinguishing feature of an LP model is a. Relationship among all variables is linear b. It has single objective function & constraints c. Value of decision variables is non-negative d. All of the above
Last Answer : a. Relationship among all variables is linear
Description : 27. The mathematical model of an LP problem is important because a. It helps in converting the verbal description & numerical data into mathematical expression b. Decision-makers prefer to ... captures the relevant relationship among decision factors d. It enables the use of algebraic technique
Last Answer : a. It helps in converting the verbal description & numerical data into mathematical expression
Description : 26. Operations Research is a _________ a. Science b. Art c. Mathematics d. Both a & b
Last Answer : d. Both a & b
Description : . Operations Research involves _________ attacks of complex problems to arrive at the optimum solution a. Scientific b. Systematic c. Both a & b d. Statistical
Description : 5. Operations Research was known as an ability to win a war without really going into a _____ a. Battle Field b. Fighting c. War d. Both a & b
Description : Every combination of strategies determines an outcome known as _____ a. Regret b. Payoff c. Saddle point d. Profit matrix
Last Answer : b. Payoff
Description : The choice of the strategy is made by both the _________ simultaneously a. Decision maker b. Manager c. Competitor d. Player
Last Answer : Player
Description : A ______ occurs when each player selects one of his strategies a. Profit b. Decision c. Play d. Game
Last Answer : c. Play
Description : A ______ is the one in which the player selects more than one strategy with fixed probabilities before playing the game. a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy
Last Answer : d. Impure strategy
Description : A _______ provides a complete definition of how a player will play a game a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy
Last Answer : c. Complete strategy
Description : The various alternatives or courses of actions available to each player in a game are called as ____ a. Saddle points b. Strategies c. Pay-off d. Gains
Last Answer : b. Strategies
Description : A situation in a game where, in the payoff matrix, maximin of row is equal to minimax of column is called___ a. Centre point b. Main point c. Saddle point d. Equal point
Last Answer : c. Saddle point
Description : In a game, the alternatives or courses of action available to each player are called _____ a. Options b. Choices c. Actions d. strategies
Last Answer : d. strategies
Description : The participants in a game are called ______ a. Clients b. Members c. Customers d. Players
Last Answer : d. Players
Description : . In a zero-sum game, a. What one player wins, the other loses b. The sum of each player’s winnings if the game is played many times must be zero c. The game is fair-each person has an equal chance of winning d. Long-run profits must be zero
Last Answer : a. What one player wins, the other loses
Description : A common assumption about the players in a game is that a. Neither player knows the payoff matrix b. The players have different information about the payoff matrix c. Only one of the players pursues a rational strategy d. The specific identify of the players is irrelevant to the play of the game
Last Answer : d. The specific identify of the players is irrelevant to the play of the game
Description : A strategy that is best regardless of what rival players do is called a. First-mover advantage b. A Nash equilibrium strategy c. Tit-for-tat d. A dominant strategy
Last Answer : d. A dominant strategy
Description : In game theory, the outcome or consequence of a strategy is referred to as the a. Payoff b. Penalty c. Reward d. End-game strategy
Last Answer : a. Payoff
Description : What is a saddle point? a. Equilibrium point b. Balanced growth point c. Imbalanced growth point d. Unstable equilibrium point
Last Answer : c. Imbalanced growth point
Last Answer : a. Equilibrium point
Description : Who developed the Game Theory a. J.R. Hicks b. William J. Baumol c. Neumann Morgenstern d. Samuelson P.T.
Last Answer : c. Neumann Morgenstern
Description : In project crashing, as we systematically, crash the project, direct cost of project ______ a. Increases b. Decreases c. Remain same d. None of the above
Last Answer : a. Increases
Description : Floats for critical activities will be always _____ a. One b. Zero c. Highest d. Same as duration of the activity
Last Answer : b. Zero
Description : An activity whose start or end cannot be delay without affecting total project completion time is called ______ activity a. Dummy b. Non-critical c. Critical d. Important
Last Answer : c. Critical
Description : Backward pass calculations are done to find ________ occurrence times of events a. Tentative b. Definite c. Latest d. Earliest
Last Answer : c. Latest
Description : Forward pass calculations are done to find _____ occurrence times of events a. Exact b. Earliest c. Latest d. Approximate
Last Answer : b. Earliest
Description : The second longest path in the network diagram is called a. Alternate b. Feasible c. Sub-critical d. Critical
Last Answer : c. Sub-critical
Description : Pick up the incorrect statement from the following a. The activity which consumes maximum time, is called a node b. The activity is the time consuming part of a project c. The beginning ... of a job, are called events d. Logically and sequentially connected activities and events form a network
Last Answer : a. The activity which consumes maximum time, is called a node
Description : In a PERT network, the earliest(activity) start time is the a. Earliest time that an activity can be finished without delaying the entire project b. Latest time that an activity can ... of precedence requirements d. Latest time that an activity can be finished without delaying the entire project
Last Answer : c. Earliest time that an activity can be started without violation of precedence requirements
Description : The basic difference between PERT and CPM is that a. PERT deals with events and CPM with activities b. Critical Path is determined in PERT only c. Costs are considered on CPM only d. Guessed times are used in PERT and evaluated times in CPM.
Last Answer : a. PERT deals with events and CPM with activities
Description : At the completion of the forward and backward passes, the slack for an activity is given by the a. Difference between early start and early finish b. Difference between early start and ... c. Difference between latest start and early finish d. Difference between latest start and latest finish
Last Answer : c. Difference between latest start and early finish
Description : . In what year was PERT developed? a. 1957 b. 1959 c. 1960 d. 1958
Last Answer : . 1957