Operations Research Multiple Choice Questions and Answers

61. If there are more than one optimum solution for the decision variable the solution is

1. Infeasible
2. Unbounded
3. Alternative
4. None of the above

62. In a manufacturing process, who takes the decisions as to what quantities and which process or processes are to be used so tha the cost is minimum and profit is maximum?

1. Supervisor
2. Manufacturer
3. Producer
4. Production manager

63. In a TP if the number of non.negative independent allocation is.........................than m+n.1.

1. Equivalent
2. Greater
3. Less
4. None of the above

64. In LPP, degeneracy occurs in...............stages

1. One
2. Two
3. Three
4. Four

65. In maximization cases,............are assigned to the artificial variables as their coefficients in the objective function

1. #NAME?
2. –m
3. None of the above

66. In simplex algorithm, which method is used to deal with the situation where an infeasible starting basic solution is given?

1. Slack variable
2. Simplex method
3. M. method
4. None of the above

67. In simplex method, if there is tie between a decision variable and a slack (or surplus) variable,................should be selected

1. Slack variable
2. Surplus variable
3. Decision variable
4. None of the above

68. In simplex method, we add...............variables in the case of =

1. Slack Variable
2. Surplus Variable
3. Artificial Variable
4. None of the above

69. In which phase is optimization done and how does that phase also checks for optimality conditions?

1. Phase II
2. Phase I
3. Phase II
4. None of the above

70. In.................models there is risk and uncertainty

1. Deterministic Models
2. Probabilistic Models
3. Both A and B
4. None of the above