Dr Bhim Rao Ambedkar University 2007 Diploma Tools

MARCH-07 : DOR-01 1/1
Dr. Babasaheb Ambedkar Open University
Term End exam : March-2007
Diploma in Operations Research (DOR)
Basics of Operations Research (DOR-01)
Date O Saturday, 14-04-2007 Total Marks O 70
Time O 03-00 to 06-00 Weightage O 70 %
Note :
1. All ques. carry equal marks.
1. describe Operations Research discuss the opportunities and shortcoming of
Operation Research approach. [14]
OR
discuss the history, nature and significance of Operations Research.
2. define different Operations Research Models. [14]
OR
Write a note on relation ranging from Operation Research and decision
making.
3. Write a note on various phases of building a decision model in Operation
Research [14]
OR
define the structure of linear programming model.
4. discuss the advantages and limitations of Linear Programming. [14]
OR
discuss the application areas of Linear Programming.
5. Parul Ltd has 2 machine A and B. He manufactures 2 products P and Q on
these machines. For manufacturing product P he has to use machine A for 3
hours and machine B for six hours, and for manufacturing product Q he has to
use machine A for six hours and machine B for five hours, On every unit of P he
earns Rs.4 and on every unit of Q he earns Rs.5. How many units of P and Q
should be manufacture to get maximum profit? every machine may not be used
for more than 2100 hours.
OR
5. Use the graphical method to solve the subsequent LP issue for manibhadra Ltd.
Minimize Z = 20X1 + 10 X2 subject to the constraints, [14]
x one + 2x2 < 40
3x1 + x2 > 30
4x1 + 3x2
60
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M/237 Reg. No.
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Earning:   Approval pending.