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Production & Operation Management kaa paper bohat mushkil aa raha haa.. previous papers mein saa ziyada sa ziyada 1 question aa jata haa.. baqi sub new questions haain.. 

EOQ mein saa length of order cost aur number of times of reoder aya haa mujhay.. numerical mein ... 

Yah 1st example haa EOQ kee.. simple concept wali..

Two question more 
What is linear programming? What is the role of linear programming in aggregate planning?
Mento carlo method of simulation. How it is used for wating line.

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Another Paper:

Q1. types of Gantt charts? discuss two in detail.
Q2. What is MRPII? why it is used?
Q3. why Gant charts are used and their limitations?
Q4. what is service level? how it is used in safety stock leevl?
Q5. benefits of holding inventory management?

there was a question:

first employee ka time dia hua tha say 2.1min
2nd employee time dia hua tha say 3.4min
en donon employees ki standard deviation di huee the 
and z=1.96 and eroor dia hua tha 10%, aur time estmiate nikalna tha k kis employee ka ziyada hai? confidence interval donon ka 95% tha ..... mujhay yeh question nhi ata tha ap mai say ager kise ko ata hia to good otherwise dhond lain....