Business Mathematics

71. Which of the following is not true about feasibility?

  1. It cannot be determined in a graphical solution of an LPP.
  2. It is independent of the objective function.
  3. It implies that there must be a convex region satisfying all the constraints.
  4. Extreme points of the convex region give the optimum solution.
Correct answer: (A)
It cannot be determined in a graphical solution of an LPP.

72. In the canonical form of LPP if the objective function is of maximization, then all the constraints other than non-negativity conditions are ______________.

  1. greater than type.
  2. lesser than type.
  3. greater than or equal to type.
  4. lesser than or equal to type.
Correct answer: (D)
lesser than or equal to type.

73. The non-negative variable which is added to LHS of the constraint to convert the inequality ≤ into equation is called _______________.

  1. random variable.
  2. decision variable.
  3. surplus variable.
  4. slack variable.
Correct answer: (D)
slack variable.

74. In graphical method the LPP has unbounded solution if the solution space has

  1. no upper boundary.
  2. no lower boundary.
  3. no boundary in the first quadrant.
  4. none of the above.
Correct answer: (A)
no upper boundary.

75. The ______________ is the method available for solving an L.P.P.

  1. graphical method.
  2. least cost method.
  3. MODI method.
  4. hungarian method.
Correct answer: (A)
graphical method.

76. The another term commonly used for activity slack time is ______________

  1. Total float.
  2. Independent float.
  3. Free float.
  4. All the above.
Correct answer: (D)
All the above.

77. While drawing the network diagram for each activity project we should look ______________

  1. What acitivities preceede this acitivity.
  2. What acitivities follow this acitivity.
  3. What activity can concurrently take place with this activity.
  4. All the above.
Correct answer: (D)
All the above.

78. Resource leveling is the process of ______________ the utilization of resources in a project.

  1. Emerging
  2. Smoothing out.
  3. Minimize
  4. Maximize
Correct answer: (B)
Smoothing out.

79. Latest finish time that an activity can be finished without ______________ the entire project.

  1. Delaying.
  2. Planning
  3. Both a & b
  4. None of the above
Correct answer: (A)
Delaying.

80. ______________ phase identify manpower that will be responsible for each task.

  1. Planning.
  2. Scheduling.
  3. Controlling.
  4. All the above.
Correct answer: (B)
Scheduling.
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