Operations Research Questions and Answers | Online Quiz for Practice

46. Before starting to solve the problem, it should be balanced. If not then make it balanced by..........column incase demand is less than supply or by adding.........................raw incase supply is less than the demand

1. O,D
2. m,n
3. Horizontal, Vertical
4. Unshipped supply, Shortage

47. Currently, LPP is used in solving a wide range of practical

1. Business problems
2. Agricultural problems
3. Manufacturing problems
4. None of the above

48. Decision variables are

1. Controllable
2. Uncontrollable
3. Parameters
4. None of the above

49. Dual of the dual is

1. Primal
2. Dual
3. Alternative
4. None of the above

50. Every LPP is associated with another LPP is called

1. Primal
2. Dual
3. Non.linear programming
4. None of the above

51. For analyzing the problem, decision – makers should normally study

1. Its qualitative aspects
2. Its quantitative aspects
3. Both A and B
4. Neither A and B

52. For maximization in TP, the objective is to maximize the total

1. Solution
2. Profit Matrix
3. Profit
4. None of the above

53. For solving an assignment problem, which method is used?

1. Hungarian
2. American
3. German
4. Both are incorrect

54. Graphic method can be applied to solve a LPP when there are only............variable

1. One
2. More than One
3. Two
4. Three

55. How many methods are there to solve LPP?

1. Three
2. Two
3. Four
4. None of the above

56. If demand is lesser than supply then dummy demand node is added to make it a

1. Simple problem
2. Balanced problem
3. Transportation problem
4. None of the above

57. If in a LPP, the solution of a variable can be made infinity large without violating the constrai the solution is..................nts

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

58. If the feasible region of a LPP is empty, the solution is

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

59. If the total supply is less than the total demand, a dummy source (row) is included in the cost matrix with

1. Dummy Demand
2. Dummy Supply
3. Zero Cost
4. Both A and B

60. If there are m original variables and n introduced variables, then there will be............columns in the simplex table

1. M + n
2. M – n
3. 3 +m + n
4. M + n – 1