DMBA 205 -OPERATIONS RESEARCH

Description

SESSION	MARCH 2023
PROGRAM	MASTER of business administration (MBA)
SEMESTER	II
course CODE & NAME	DMBA205 – OPERATIONS RESEARCH
CREDITS	4
nUMBER OF ASSIGNMENTS & Marks	02 30 Marks each

 

 

Assignment Set – 1

 

1. What is Operations Research? Discuss the importance of O.R. in decision making process.

Ans 1.

Operations Research

Operations Research (O.R.), also known as Operational Research, is a discipline that uses advanced analytical methods to help make better decisions. O.R. applies mathematics, statistics, and other quantitative techniques to solve complex problems and improve operational efficiency.

Churchman, Aackoff, and Aruoff defined operations research as “the application of scientific methods, techniques

Its Half solved only

Buy Complete from our online store

 

https://smuassignment.in/online-store/

 

MUJ Fully solved assignment available for session March  2023.

 

Lowest price guarantee with quality.

Charges INR 200 only per assignment. For more information you can get via mail or Whats app also

Mail id is aapkieducation@gmail.com

 

Our website www.smuassignment.in

After mail, we will reply you instant or maximum

1 hour.

Otherwise you can also contact on our

whatsapp no 8791490301.

 

2. Use Two-Phase Simplex Method to solve the following linear programming problem:

Maximize Z    = 5×1+8×2

Subject to:      3×1 + 2×2 ≥3

x1 + 4×2 ≥4

x1 + x2≤5

wherex1, x2 ≥ 0

Ans 2.

Problem involves inequalities of “greater than or equal to” in the constraints, which doesn’t directly conform to the usual setup where the constraints are in the form of “less than or equal to”. To rectify this, we need to rewrite these inequalities by multiplying them by -1, effectively transforming them into “less than or equal to” constraints. We also have to remember to reverse the inequality direction when multiplying by a negative number. After that, we can apply the two-

 

3. Find the optimum solution of the following Transportation problem using MODI method:

Destination

Supply            D1       D2       D3       D4       Supply

S1                    21        16        25        13        11

S2                    17        18        14        23        13

S3                    32        27        18        41        19

Demand          6          10        12        15       

 

Ans 3.

In order to find the optimal solution using the MODI (Modified Distribution) Method, we first need to find an initial feasible solution using either the North-West Corner Method, Minimum Cost Method, or Vogel’s Approximation Method.

The MODI method can then be used to check for optimality and improve the initial feasible solution if necessary. Please note that MODI method only works if you already have a feasible basic solut

Assignment Set – 2

 

4.a) What is Simulation? Write the advantages of Simulation.    

Ans 4(a)

Simulation

Using simulation, an analyst can introduce the constants and variables related to the problem, set up the possible courses of action and establish criteria which act as measures of effectiveness. The major reasons for applying simulation technique to OR problems may be listed as below:

1. It is an appropriate too

 

 

4b) Write any five difference between CPM and PERT?           

Ans 4(b)

Difference between CPM and PERT

There are no essential differences between PERT and CPM as both of them share in common the determination of a critical path. Both are based on the network representation of activities and their scheduling, which determines the most critical activities to be controlled in order to meet the

 

 

5. The following table gives the activities in a construction project and other relevant information:

Activity (y)	Optimistic Time (in days)	Most likely Time(in days)	Pessimistic Time (in days)
1-2	30	44	54
1-3	8	12	16
2-3	1	2	3
2-4	2	3	5
3-4	8	10	12
4-5	14	22	25

 

1. i) Draw a PERT diagram and mark clearly the Critical Path.
2. ii) Determine the expected project length?

iii) What is the probability that the project would be successfully completed in less than 60 days?      4+2+4  10

Ans:

 

 

6. What is two-person zero sum game? Reduce the following game by dominance property and solve it:

                                       Player B

Player A         B1       B2       B3       B4       B5

                           1       3          2          7          4

                         3         4          1          5          6

                          6        5          7          6          5

                         2         0          6          3          1

 

Ans:

A two-person zero-sum game is a type of game in which one player’s gain is the other player’s loss. In other words, the sum of the payoffs for each player is zero in every outcome. These types of games are very prevalent in economic theory and game theory.

Reducing a game by