60. While solving a LP problem, infeasibility may be removed by a. Adding another constraint b. Adding another variablec. Removing a constraint d. Removing a variable

60. While solving a LP problem, infeasibility may be removed by
a. Adding another constraint
b. Adding another variable
c. Removing a constraint
d. Removing a variable
by

1 Answer

Answer :

c. Removing a constraint
by

Related questions

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

Description : 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

Last Answer : b. Removing a constraint

61. If a non-redundant constraint is removed from an LP problem then a. Feasible region will become larger b. Feasible region will become smaller c. Solution will become infeasible d. None of the above

Description : 61. If a non-redundant constraint is removed from an LP problem then a. Feasible region will become larger b. Feasible region will become smaller c. Solution will become infeasible d. None of the above

Last Answer : a. Feasible region will become larger

29. A constraint in an LP model restricts a. Value of objective function b. Value of a decision variable c. Use of the available resources d. All of the above

Description : 29. A constraint in an LP model restricts a. Value of objective function b. Value of a decision variable c. Use of the available resources d. All of the above

Last Answer : d. All of the above

66. Which method is an iterative procedure for solving LPP in a finite number of steps? a. Simplex algorithm b. Slack variablec. Big M method d. Simplex method

Description : 66. Which method is an iterative procedure for solving LPP in a finite number of steps? a. Simplex algorithm b. Slack variable c. Big M method d. Simplex method

Last Answer : d. Simplex method

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

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

48. The graphical method of LP problem uses a. Objective function equation b. Constraint equations c. Linear equations d. All of the above

Description : 48. The graphical method of LP problem uses a. Objective function equation b. Constraint equations c. Linear equations d. All of the above

Last Answer : d. All of the above

54. A constraint in an LP model becomes redundant because a. Two iso-profits may be parallel to each other b. The solution is unbounded c. This constraint is not satisfied by the solution values d. None of the above

Description : 54. A constraint in an LP model becomes redundant because a. Two iso-profits may be parallel to each other b. The solution is unbounded c. This constraint is not satisfied by the solution values d. None of the above

Last Answer : d. None of the above

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 : 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

Last Answer : a. Feasible region

. Non-negativity condition in an LP model implies a. A positive coefficient of variables in objective function b. A positive coefficient of variables in any constraint c. Non-negative value of resources d. None of the above

Description : . Non-negativity condition in an LP model implies a. A positive coefficient of variables in objective function b. A positive coefficient of variables in any constraint c. Non-negative value of resources d. None of the above

Last Answer : d. None of the Above

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

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

While solving an assignment problem, an activity is assigned to a resource through a square with zero opportunity cost because the objective is to a. Minimize total cost of assignment b. Reduce the cost of assignment to zero c. Reduce the cost of that particular assignment to zero d. All of the above

Description : While solving an assignment problem, an activity is assigned to a resource through a square with zero opportunity cost because the objective is to a. Minimize total cost of assignment b. Reduce the cost of ... to zero c. Reduce the cost of that particular assignment to zero d. All of the above

Last Answer : c. Reduce the cost of that particular assignment to zero

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

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

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

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

50. Which of the following statements is true with respect to the optimal solution of an LP problem? a. Every LP problem has an optimal solution b. Optimal solution of an LP problem always occurs at an extreme point c. At optimum solution all resources are completely used d. If an optimal solution exists, there will always be at least one at a corner

Description : 50. Which of the following statements is true with respect to the optimal solution of an LP problem? a. Every LP problem has an optimal solution b. Optimal solution of an LP problem always occurs ... completely used d. If an optimal solution exists, there will always be at least one at a corner

Last Answer : d. If an optimal solution exists, there will always be at least one at a corner

49. A feasible solution to an LP problem a. Must satisfy all of the problem’s constraints simultaneously b. Need not satisfy all of the constraints, only some of them c. Must be a corner point of the feasible solution d. Must optimize the value of the objective function

Description : 49. A feasible solution to an LP problem a. Must satisfy all of the problem’s constraints simultaneously b. Need not satisfy all of the constraints, only some of them c. Must be a corner point of the feasible solution d. Must optimize the value of the objective function

Last Answer : a. Must satisfy all of the problem’s constraints simultaneously

37. Which of the following is not a characteristics of the LP a. Resources must be limited b. Only one objective function c. Parameters value remains constant during the planning period d. The problem must be of minimization type

Description : 37. Which of the following is not a characteristics of the LP a. Resources must be limited b. Only one objective function c. Parameters value remains constant during the planning period d. The problem must be of minimization type

Last Answer : d. The problem must be of minimization type

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 work with formal models c. It captures the relevant relationship among decision factors d. It enables the use of algebraic technique

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

For solving an assignment problem, which method is used? a. British b. American c. German d. None of the above

Description : For solving an assignment problem, which method is used? a. British b. American c. German d. None of the above

Last Answer : B. american

. The method used for solving an assignment problem is called a. Reduced matrix method b. MODI method c. Hungarian method d. None of the above

Description : . The method used for solving an assignment problem is called a. Reduced matrix method b. MODI method c. Hungarian method d. None of the above

Last Answer : . c. Hungarian method

7. Who defined Operations Research as scientific approach to problem solving for executive management? a. E.L. Arnoff b. P.M.S. Blackett c. H.M. Wagner d. None of the above

Description : 7. Who defined Operations Research as scientific approach to problem solving for executive management? a. E.L. Arnoff b. P.M.S. Blackett c. H.M. Wagner d. None of the above

Last Answer : c. H.M. Wagner

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

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

45. LP is a major innovations since _______ in the field of business decision-making, particularly under conditions of certainty a. Industrial Revolution b. World War I c. World War II d. French Revolution

Description : 45. LP is a major innovations since _______ in the field of business decision-making, particularly under conditions of certainty a. Industrial Revolution b. World War I c. World War II d. French Revolution

Last Answer : c. World War II

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

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

39. Which of the following is an assumption of an LP model a. Divisibility b. Proportionality c. Additivity d. All of the above

Description : 39. Which of the following is an assumption of an LP model a. Divisibility b. Proportionality c. Additivity d. All of the above

Last Answer : d. All of the above

31. Constraints in an LP model represents a. Limitations b. Requirements c. Balancing limitations & requirements d. All of the above

Description : 31. Constraints in an LP model represents a. Limitations b. Requirements c. Balancing limitations & requirements d. All of the above

Last Answer : d. All of the above

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

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

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

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

Maximization assignment problem is transformed into a minimization problem by a. Adding each entry in a column from the maximization value in that column b. Subtracting each entry in a column from the maximum value in that column c. Subtracting each entry in a column from the maximum value in that table d. Any one of the above

Description : Maximization assignment problem is transformed into a minimization problem by a. Adding each entry in a column from the maximization value in that column b. Subtracting each entry in a column from the maximum ... entry in a column from the maximum value in that table d. Any one of the above

Last Answer : c. Subtracting each entry in a column from the maximum value in that table

An assignment problem is a special case of transportation problem, where a. Number of rows equals number of columns b. All rim conditions are 1 c. Values of each decision variable is either 0 or 1

Description : An assignment problem is a special case of transportation problem, where a. Number of rows equals number of columns b. All rim conditions are 1 c. Values of each decision variable is either 0 or 1

Last Answer : D.variable is either 0 or 1

Currently, LPP is used in solving a wide range of practical ___________ a. Business problems b. Agricultural problems c. Manufacturing problems d. None of the above

Description : Currently, LPP is used in solving a wide range of practical ___________ a. Business problems b. Agricultural problems c. Manufacturing problems d. None of the above

Last Answer : a. Business problems

LPP is exactly used in solving what kind of resource allocation problems? a. Production planning and scheduling b. Transportation c. Sales and advertising d. All of the above

Description : LPP is exactly used in solving what kind of resource allocation problems? a. Production planning and scheduling b. Transportation c. Sales and advertising d. All of the above

Last Answer : d. All of the above

_____ is another method to solve a given LPP involving some artificial variable? a. Big M method b. Method of penalties c. Two-phase simplex method d. None of the above

Description : _____ is another method to solve a given LPP involving some artificial variable? a. Big M method b. Method of penalties c. Two-phase simplex method d. None of the above

Last Answer : a. Big M method

In simplex method, if there is tie between a decision variable and a slack (or surplus) variable, ______ should be selected a. Slack variable b. Surplus variable c. Decision variable d. None of the above

Description : In simplex method, if there is tie between a decision variable and a slack (or surplus) variable, ______ should be selected a. Slack variable b. Surplus variable c. Decision variable d. None of the above

Last Answer : c. Decision variable

In simplex method, we add _______ variables in the case of “=” a. Slack variable b. Surplus variable c. Artificial variable d. None of the above

Description : In simplex method, we add _______ variables in the case of “=” a. Slack variable b. Surplus variable c. Artificial variable d. None of the above

Last Answer : c. Artificial variable

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

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

_____ refers to the combination of one or more inputs to produce a particular output a. Solution b. Variable c. Process d. None of the above

Description : _____ refers to the combination of one or more inputs to produce a particular output a. Solution b. Variable c. Process d. None of the above

Last Answer : c. Process

A set of values X1,X2……..Xn which satisfies the constraints of the LPP is called_______ a. Solution b. Variable c. Linearity d. None of the above

Description : A set of values X1,X2……..Xn which satisfies the constraints of the LPP is called_______ a. Solution b. Variable c. Linearity d. None of the above

Last Answer : a. Solution

Which variables are fictitious and cannot have any physical meaning? a. Optimal variable b. Decision variable c. Artificial variable d. None of the above

Description : Which variables are fictitious and cannot have any physical meaning? a. Optimal variable b. Decision variable c. Artificial variable d. None of the above

Last Answer : c. Artificial variable

. In simplex algorithm, which method is used to deal with the situation where an infeasible starting basic solution is given? a. Slack variable b. Simplex method c. Big M Method d. None of the above

Description : . In simplex algorithm, which method is used to deal with the situation where an infeasible starting basic solution is given? a. Slack variable b. Simplex method c. Big M Method d. None of the above

Last Answer : b. Simplex method

63. Graphic method can be applied to solve a LPP when there are only ____ variable a. Four b. More than one c. Two d. three

Description : 63. Graphic method can be applied to solve a LPP when there are only ____ variable a. Four b. More than one c. Two d. three

Last Answer : Which oil is used in the floatation method for the purification of ores?

35. Which of the following is not a characteristic of the L P model a. Alternative courses of actions b. An objective function of maximization type c. Limited amount of resources d. Non-negativity condition on the value of decision variable

Description : 35. Which of the following is not a characteristic of the L P model a. Alternative courses of actions b. An objective function of maximization type c. Limited amount of resources d. Non-negativity condition on the value of decision variable

Last Answer : b. An objective function of maximization type

Solving a constraint satisfaction problem on a finite domain is an/a ___________ problem with respect to the domain size. a) P complete b) NP complete c) NP hard

Description : Solving a constraint satisfaction problem on a finite domain is an/a ___________ problem with respect to the domain size. a) P complete b) NP complete c) NP hard

Last Answer : b) NP complete

If no. of rows are not equal to number of columns and the matrix elements are profit elements then the problem is: a. Balanced and Maximization Transportation problem b. Unbalanced and Maximization Transportation problem c. Balanced and Maximization Assignment problem d. Unbalanced and Maximization Assignment problem

Description : If no. of rows are not equal to number of columns and the matrix elements are profit elements then the problem is: a. Balanced and Maximization Transportation problem b. ... Transportation problem c. Balanced and Maximization Assignment problem d. Unbalanced and Maximization Assignment problem

Last Answer : a. Balanced and Maximization Transportation problem

If no. of rows are equal to number of columns and the matrix elements are Time elements then the problem is: a. Balanced and Minimization Transportation problem b. Unbalanced and Minimization Transportation problem c. Balanced and Minimization Assignment problem d. Unbalanced and Minimization Assignment problem

Description : If no. of rows are equal to number of columns and the matrix elements are Time elements then the problem is: a. Balanced and Minimization Transportation problem b. ... Transportation problem c. Balanced and Minimization Assignment problem d. Unbalanced and Minimization Assignment problem

Last Answer : c. Balanced and Minimization Assignment problem

___ is one of the fundamental combinatorial optimization problems a. Assignment problem b. Transportation problem c. Optimization problem d. None of the above

Description : ___ is one of the fundamental combinatorial optimization problems a. Assignment problem b. Transportation problem c. Optimization problem d. None of the above

Last Answer : a. Assignment problem

For maximization in assignment problem, the objective is to maximize the a. Profit b. Optimization c. Cost d. None of the above

Description : For maximization in assignment problem, the objective is to maximize the a. Profit b. Optimization c. Cost d. None of the above

Last Answer : a. Profit

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

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

The assignment problem a. Requires that only one activity be assigned to each resource b. Is a special case of transportation problem c. Can be used to maximize resources d. All of the above

Description : The assignment problem a. Requires that only one activity be assigned to each resource b. Is a special case of transportation problem c. Can be used to maximize resources d. All of the above

Last Answer : d. All of the above

The purpose of a dummy row or column in an assignment problem is to a. Obtain balance between total activities and total resources b. Prevent a solution from becoming degenerate c. Provide a means of representing a dummy problem d. None of the above

Description : The purpose of a dummy row or column in an assignment problem is to a. Obtain balance between total activities and total resources b. Prevent a solution from becoming degenerate c. Provide a means of representing a dummy problem d. None of the above

Last Answer : a. Obtain balance between total activities and total resources