Operations Research

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Question 1 Easy Mcq

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

Question 2 Easy Mcq

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.

Question 3 Easy Mcq

A cinema hall has a single ticket counter. During the peak hours, people arrive at the rate of 50 per hour to watch the movie. The average number of people who get the tickets is 100 per hour. Calculate the probability of the ticket counter being free.

Question 4 Easy Mcq

The Monte-Carlo simulation technique _________.

Question 5 Easy Mcq

Which of the following types of cost is dependent upon the amount of utilization of resources during the execution of individual activities?

Question 6 Easy Mcq

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

Question 7 Easy Mcq

Which among the following is not an element of Linear Programming?

Question 8 Easy Mcq

Which of the following is a term used to describe the behavior of a customer who leaves the queue impatiently after waiting for some period of time?

Question 9 Easy Mcq

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

Question 10 Easy Mcq

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

Question 11 Easy Mcq

In the above table, 6 jobs are given along with their operation time in minutes. Find out the average processing time.

Question 12 Easy Mcq

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

Question 13 Easy Mcq

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

Question 14 Easy Mcq

The elements Carbon, Magnesium and Sulfur are found in two products, P and Q. The amount of each element (milligrams per ounce) is given above:The cost of the products is $5 per ounce and $10 per ounce respectively. The minimum requirement to make this product is 2 mg of Carbon, 5 mg of Magnesium and 8 mg of Sulfur.Formulate this problem in the Linear Programming Form.

Question 15 Easy Mcq

Which among the following is not an element of the Project Schedule Characteristic of PERT/CPM?

Question 16 Easy Mcq

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

Question 17 Easy Mcq

Which among the following characteristics of the game theory involves the quantitative measure of satisfaction?

Question 18 Easy Mcq

Goal Programming is used to:

Question 19 Easy Mcq

In which of the following types of decisions does there exist only one outcome for a decision?

Question 20 Easy Mcq

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.

Question 21 Easy Mcq

In the above table, the mortality rates for a certain type of health products have been given. Calculate the probability of failure at the end of the 3rd month.

Question 22 Easy Mcq

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.

Question 23 Easy Mcq

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

Question 24 Easy Mcq

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

Question 25 Easy Mcq

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.

Question 26 Easy Mcq

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

Question 27 Easy Mcq

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

Question 28 Easy Mcq

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

Question 29 Easy Mcq

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

Question 30 Easy Mcq

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

Question 31 Easy Mcq

The simulation technique must be used ________.

Question 32 Easy Mcq

Which among the following classes of decisions is related to the external environment of an organization?

Question 33 Easy Mcq

In which of the following fields is Linear Programming technology not useful?

Question 34 Easy Mcq

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

Question 35 Easy Mcq

Which among the following models are scaled versions of actual objects?

Question 36 Easy Mcq

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.

Question 37 Easy Mcq

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

Question 38 Easy Mcq

Which among the following simulation models do not take the time variable into consideration?