# Operations Research paper – last minute tips to crack by Prof Vipin Saboo

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The OR question paper would have the following pattern. Theory questions are not expected.

Q1:- LPP
A. Formulation and solve by graphical/simplex
B. Formulation and solve by simplex
C. Equations would be given and solve by simplex

Q2:- Transportation/Assignment
A. VAM/Northwest/Least cost sum to be formulated and solved. Modi to be done to check optimality. Check for degeneracy
B. VAM solved and allocations given, MODI to be done to check optimality. Check for degeneracy
C. Assignment maximization or minimization type sum. Check whether balanced or unbalanced

Q3. Networking
A. Draw a network diagram and compute CPM, Floats
B. Draw network, 3 time estimate so solve the calculated time, find variance and SD of the path, PERT
C. Crashing. Indirect cost may be given

Q4. Decision theory
A. Prepare a payoff table and compute EMV, EVPI, EPPI and EOL. Insome cases pay off table would be prepared and given
B. Decision tree. If cost/expenditures are given, the same needs to be subtracted form the respective payoff
C. Alternatives given and compute Maximax, Maximin, laplace, minimax regret and alpha

Q5. Case study
one of the following is expected
A. Simplex (partially solved table and then 5-6 questions on the table)- Highly expected
B. Crashing (may be combined with CPM and float calculations)Highly expected
C. PERT
D. transportation VAM solved, allocations given, Do MODI for checking optimality and then answer some questions based on the table. It came last year so might not be asked this time.

Best of luck.
For any doubts, get in touch with Prof Vipin Saboo on 9820779873

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#### vipin0785

Education Qualification: BMS- N M College (University Rank Holder) PGDBM- Sydenham College M Com- College topper Mr Vipin Saboo has been associated with the following institutes as a visiting faculty Lords college, Malad Patkar College, Goregoan Saraf college, Malad Dalmia college, Malad St Andrews College, Bandra Wilson College, Grant Road Thakur college, Kandivili L N College, Kandivili N K College, Malad Dhanukar College, Vile Parle St Xaviers College, Marine Lines Shroff College, Kandivili KES College, Khar Mr.Vipin Saboo also has more than 5 years of industry expertise with corporate like CRISIL, Motilal Oswal Investment Banking and Yes Bank. Mr. Saboo has also published a text book on Logistics and Supply Chain Management for TYBMS Students.

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