Business Mathematics Online MCQ Set 3

QN01. In Transportation problem the preferred method of obtaining either optimal or very close to the optimal solution is ______________.

  1. .north west corner rule.
  2. least cost method.
  3. vogel's approximation method.
  4. simplex method.
Answer

(C)vogel's approximation method.

QN02. Transportation problem is said to be unbalanced if ______________.

  1. total supply is not equal to total demand.
  2. Tot al supply is greater than total demand.
  3. total supply is lesser than total demand.
  4. All the above
Answer

(D)All the above

QN03. In North West corner rule if the demand in the column is satisfied one must move to the ______________.

  1. left cell in the next column.
  2. right cell in the next row.
  3. right cell in the next column.
  4. left cell in the next row.
Answer

(C)right cell in the next column.

QN04. The assignment problem is said to be balanced 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. if the entry of row is zero.
Answer

(C)number of rows is equal to number of columns.

QN05. Vogel's approximation method is also known as ______________.

  1. Penalty method
  2. North west method.
  3. Least cost method
  4. None of the above.
Answer

(A)Penalty method

QN06. If A,B and C are matrices of the same order then ______________.

  1. (A+B)+C=A+(B+C).
  2. (A+B)+C ≠ A+(B+C).
  3. (A+B)+C> A+(B+C).
  4. (A+B)+C < A+(B+C).
Answer

(A)(A+B)+C=A+(B+C).

QN07. When the number of rows is not equal to the number of columns then the matrix is said to be ______________.

  1. unit matrix.
  2. Rectangular matrix.
  3. null matrix.
  4. row matrix.
Answer

(B)Rectangular matrix.

QN08. O.R. Stands for ______________

  1. Operations research
  2. Open Report
  3. Own Record
  4. On Road
Answer

(A)Operations research

QN09. Compound Interest is always ______________ the Simple Interest.

  1. Lesser than
  2. Equal to
  3. Greater than
  4. None of the above.
Answer

(C)Greater than

QN10. 3x- 4+7 = 0, then x = ?

  1. -1
  2. +1.
  3. 0.
  4. 2.
Answer

(A)-1

QN11. 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.
Answer

(C)which does not form boundary of feasible region.

QN12. 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.
Answer

(A)equations.

QN13. In a linear programming minimization model the objective function is to be ______________.

  1. minimized.
  2. maximized.
  3. minimized or maximized.
  4. standardized.
Answer

(A)minimized.

QN14. 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.
Answer

(B)Two variables.

QN15. 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
Answer

(D)All the above

QN16. 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.
Answer

(A)Cost decreases linearily as time increases.

QN17. ______________ is the point in time that marks the beginning or ending of an activity.

  1. Event.
  2. Node.
  3. Activity.
  4. Dummy activity.
Answer

(A)Event.

QN18. The CPM is used for completing the project that involves ______________ of repetitive nature.

  1. Activities
  2. Node.
  3. Event.
  4. Dummy activity.
Answer

(A)Activities

QN19. 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.
Answer

(B)optimal solution.

QN20. 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.
Answer

(D)total supply is equal to total demand.

QN21. In transportation problem the solution is said to non-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.
Answer

(C)greater than or equal to m+n-1.

QN22. In North West corner rule if the supply in the row is satisfied one must move ______________.

  1. down in the next row.
  2. up in the next row.
  3. right cell in the next column.
  4. left cell in the next row.
Answer

(A)down in the next row.

QN23. In assignment problem if number of rows is greater than column then ______________.

  1. dummy column is added.
  2. dummy row added.
  3. row with cost 1 is added.
  4. column with cost 1 is added.
Answer

(A)dummy column is added.

QN24. The transportation technique or simplex method cannot be used to solve the assignment problem because of ______________.

  1. degeneracy.
  2. non-degeneracy.
  3. square matrix.
  4. any one of the above.
Answer

(A)degeneracy.

QN25. If all the elements of a matrix are zeros, then the matrix is a ______________.

  1. unit matrix.
  2. square matrix.
  3. zero matrix.
  4. none of these.
Answer

(C)zero matrix.

QN26. A square matrix A is an orthogonal matrix x, if ______________.

  1. AA-1=I.
  2. AA-1=I.
  3. A=A-1.
  4. A=A-1.
Answer

(B)AA-1=I.

QN27. Principal (or) Present Value is denoted by

  1. A
  2. n
  3. P
  4. None of the above.
Answer

(C)P

QN28. The simple interest on Rs 5,000 at 10& for 3 years is ______________.

  1. 500.
  2. 1000.
  3. 1500.
  4. 2000.
Answer

(C)1500.

QN29. The simple interest for Rs 10000 for 2 years at 10& is ______________.

  1. 200.
  2. 3000.
  3. 4000.
  4. 2000.
Answer

(D)2000.

QN30. In the canonical form of LPP if the objective function is of minimization 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.
Answer

(C)greater than or equal to type.

QN31. 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.
Answer

(C)surplus variable.

QN32. Linear programming is ______________.

  1. a constraint optimization model.
  2. a constraint decision making model.
  3. a mathematical programming model.
  4. all the above.
Answer

(D)all the above.

QN33. 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.
Answer

(A)Minimize total project duration.

QN34. Generally the PERT technique deals with the project of ______________

  1. Repetatative nature.
  2. Non-repetative nature.
  3. Determinstic nature.
  4. None of the above.
Answer

(B)Non-repetative nature.

QN35. 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.
Answer

(B)Independent float.

QN36. 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
Answer

(A)It lies on the critical path

QN37. A ______________ is an endeavour to create a unique product service.

  1. Project.
  2. Network.
  3. Activity.
  4. Node.
Answer

(A)Project.

QN38. 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.
Answer

(D)Upper left corner.

QN39. 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.
Answer

(B)lesser than m+n-1

QN40. 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.
Answer

(D)both 1 and 2.

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