Business Mathematics

111. 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: (C)
surplus variable.

112. Linear programming is ______________.

  1. a constraint optimization model.
  2. a constraint decision making model.
  3. a mathematical programming model.
  4. all the above.
Correct answer: (D)
all the above.

113. The objective of network analysis is to ______________.

  1. Minimize total project duration.
  2. Minimize total project cost.
  3. Minimize product delays,interruption and conflicts
  4. All the above.
Correct answer: (A)
Minimize total project duration.

114. Generally the PERT technique deals with the project of ______________

  1. Repetatative nature.
  2. Non-repetative nature.
  3. Determinstic nature.
  4. None of the above.
Correct answer: (B)
Non-repetative nature.

115. The acitivity that can be delayed without affecting the execution of the immediate suceeding activity is determined by ______________

  1. Total float.
  2. Independent float.
  3. Free float.
  4. None of the above.
Correct answer: (B)
Independent float.

116. If an activity has a zero slack, it implies that

  1. It lies on the critical path
  2. It is a dummy activity
  3. Both a & b
  4. None of the above
Correct answer: (A)
It lies on the critical path

117. A ______________ is an endeavour to create a unique product service.

  1. Project.
  2. Network.
  3. Activity.
  4. Node.
Correct answer: (A)
Project.

118. In North West corner rule the allocation is done in ______________

  1. upper right corner.
  2. middle cell in the transportation table.
  3. cell with the lowest cost.
  4. Upper left corner.
Correct answer: (D)
Upper left corner.

119. In transportation problem the solution is said to degenerate solution if occupied cells is

  1. greater than m+n-1.
  2. lesser than m+n-1.
  3. greater than or equal to m+n-1.
  4. lesser than or equal to m+n-1.
Correct answer: (B)
lesser than m+n-1

120. The assignment problem is said to be unbalanced if ______________.

  1. number of rows is greater than number of columns.
  2. number of rows is lesser than number of columns.
  3. number of rows is equal to number of columns.
  4. both 1 and 2.
Correct answer: (D)
both 1 and 2.
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