General Operations Research MCQs

1. Calculate the probability of the ticket counter being free.

2. In which type of decision does there exist only one outcome for a decision?

3. Which one is required in order to apply Linear Programming effectively?

4. In the north-west corner method of Linear Programming, the empty or open squares are called:

5. A person comes to a cyber cafe everyday. Sometimes, he has to wait for the cyber cafe to open and at other times, he arrives late. The opening time of the cafe varies from day to day. Study the above table, computed for 8 days, and calculate the average waiting time of that person.

6. Determine best alternative if a person is adopting the maximax criterion.

7. The initial cost of a machine is $6000. Study the above given table and calculate after how many years of service should the machine be replaced.

8. Determine the equipment utilization.

9. Determine alternative if a person is adopting the Savage criterion.

10. Determine the best alternative to choose if a person is adopting the optimistic criterion.

11. From the above table, find the basic feasible solution using the matrix minimum method.

12. Which simulation model do not take the time variable into consideration?

13. A petrol pump is opening a customer service centre which will be having only one counter to attend to the people. The manager estimates that the customers will arrive at the rate of 25 per hour. The customer care executive who has been considered for the post can attend customers at the rate of 1 customer every 2 minutes. Assuming Poisson arrivals and exponential service, calculate the average waiting time of the customers.

14. Calculate the probability of failure at the end of the 3rd month.

15. The above table gives the processing time and due data related to five jobs. Calculate the mean flow time.

16. From the above given table, calculate the saddle point.

17. Using the mid square method to generate pseudo random numbers, calculate the value of number 5695 at level 2, if the value represented by the number at level 0 i.e. Ao = 5695.

18. In field is Linear Programming technology not useful?

19. Which type of float causes a decrease in the float of successor activities?

20. Which activity of PERT/CPM does not utilize any kind of resources?

21. Calculate the sample size.

22. The graphical method for solving transportation problems can be applied to _______ variables.

23. Solve a game, the payoff matrix for which is shown above:

24. Which models are scaled versions of actual objects?

25. Which one is not an application of Dynamic Programming?

26. The Vogel's approximate method in Linear Programming is used in solving .... problems.

27. Which one is not an element of the Project Schedule Characteristic of PERT/CPM?

28. Formulate this product problem in the Linear Programming Form.

29. Calculate the cost of the project if the indirect cost is $100 per day.

30. The simulation technique must be used ________.

31. From the above given table, calculate the saddle point.

32. A solution containing fewer than (m + n -1) non negative allocations where (m= jobs and n=destinations) is termed .... .

33. Goal Programming is used to:

34. From the above given table, solve the game by finding the saddle point.

35. According to the Poisson distribution process analysis, patients come to a hospital at a mean rate of 50 per hour. The time required to attend a patient has an exponential distribution with a mean of 100 per hour. Assuming that every patient is attended by an individual doctor, what would be the waiting time of one patient?

36. Find out the average processing time.

37. Which type of cost is dependent upon the amount of utilization of resources during the execution of individual activities?

38. Which class of decisions is related to the external environment of an organization?

39. The above table represents a transportation problem. Find the basic feasible solution.

40. Which one is a characteristic of Dynamic Programming?

41. From the above table, determine which alternative is the best to choose if a person is adopting the Laplace criterion.

42. The price of a new car is $30000. The annual maintenance cost of the car for the first five years is $8000, $10000, $14000, $18000 and $24000 respectively. If the re-sale value decreases by 5% of the purchase price each year, calculate the best time to have the car replaced.

43. Term used to describe the behavior of a customer who leaves the queue impatiently after waiting for some period of time?

44. Which state of the system in the Queuing theory lays down that the operating characteristics are dependent on time?

45. The crash cost and the crash time of a project is $50000 and 30 days respectively. The normal cost and the normal time of the same project is $150000 and 180 days respectively. Calculate the cost slope.

46. Use the property of dominance to find out the value of the saddle point.

47. A bus arrives at a bus-stand every 10 minutes and the service time is 30 minutes. If the capacity of the bus-stand is 5 buses, calculate the probability of the bus-stand being empty.

48. The above table shows the weekly mortality rates for a certain type of washing machines. Calculate the probability of failure in the 5th week.

49. Study table to calculate the range of the random numbers in which the sum of the average value of the demand and the average value of the profit falls.

50. _________ is the term used to describe the time between starting the first job and finishing the final one.

51. Which one is not an application of optimization in linear programming?

52. The Monte-Carlo simulation technique _________.

53. On the basis of this information, calculate the average queue length.

54. Which one is not an element of Linear Programming?

55. The increase in the probability of a failure with the increase in the life of an item is termed ..... .

56. Which one is a cycling error in the Network Logic of PERT/CPM?

57. ..... is not an element of Sensitivity Analysis.

58. Study the table and calculate the project's normal distribution(in terms of days).

59. The epsilon quantity used in a degenerate transport problem should be used in cells which accommodate the following solution procedure:

60. At a ticket booking centre, if the mean arrival rate of customers is 10 per hour and the mean service rate is 20 per hour, calculate the traffic intensity.

61. Find the optimal number of shoes to be produced in the month of March.

62. The Simplex method can solve ......

63. Find the value of the above game using the principle of dominance.

64. Which one is not an application of Goal Programming?

65. In Dynamic Programming, the value of ..... variables specifies the condition of a process.

66. In Non-linear Programming, non-linearity exists when:

67. Which method is known as the Unit Penalty Method?

68. Develop a network diagram based on the information given in the table.

69. Formulate this problem in the Linear Programming Form.

70. The demand value according to random numbers is?

71. A discotheque has a single ticket-counter. During rush hours, people arrive at the rate of 50 per hour. The average number of people allowed to enter is 100 per hour. Calculate the average number of people who still have to wait in the queue for their turn.

72. Use the property of dominance to find out the value of the saddle point.

73. Find the basic feasible solution using the matrix minimum method.

74. Determine best alternative if a person is adopting the Hurwics criterion.

75. Which characteristic of the game theory involves the quantitative measure of satisfaction?

76. Find the basic feasible solution using the matrix minimum method.