Business Mathematics

91. In Graphical solution the redundant constraint is ______________.

  1. which forms the boundary of feasible region.
  2. which do not optimizes the objective function.
  3. which does not form boundary of feasible region.
  4. which optimizes the objective function.
Correct answer: (C)
which does not form boundary of feasible region.

92. In the standard form of LPP if the objective functions is of minimization then all the constraints ______________.

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

93. In a linear programming minimization model the objective function is to be ______________.

  1. minimized.
  2. maximized.
  3. minimized or maximized.
  4. standardized.
Correct answer: (A)
minimized.

94. The graphical method is applicable to solve an L.P.P when there is ______________.

  1. Only one variable.
  2. Two variables.
  3. More than two variables
  4. None of the above.
Correct answer: (B)
Two variables.

95. In the PERT network each activity time assumes a Beta distribution because ______________

  1. It is a unimodal distribution that provides information regarding the uncertainity of time estimates of activities.
  2. It has got finite non-negative error.
  3. It need not be symmetrical about model value .
  4. All the above
Correct answer: (D)
All the above

96. In time cost trade off function analysis ______________

  1. Cost decreases linearily as time increases.
  2. Cost at normal time is zero.
  3. Cost increses linearily as time increases.
  4. None of the above.
Correct answer: (A)
Cost decreases linearily as time increases.

97. ______________ is the point in time that marks the beginning or ending of an activity.

  1. Event.
  2. Node.
  3. Activity.
  4. Dummy activity.
Correct answer: (A)
Event.

98. The CPM is used for completing the project that involves ______________ of repetitive nature.

  1. Activities
  2. Node.
  3. Event.
  4. Dummy activity.
Correct answer: (A)
Activities

99. In Transportation problem the improved solution of the initial basic feasible solution is called ______________.

  1. basic solution.
  2. optimal solution.
  3. degenerate solution.
  4. non-degenerate solution.
Correct answer: (B)
optimal solution.

100. Transportation problem is said to be balanced if ______________.

  1. total supply is not equal to total demand.
  2. total supply is greater than total demand.
  3. total supply is lesser than total demand.
  4. total supply is equal to total demand.
Correct answer: (D)
total supply is equal to total demand.
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