Or - How to Approach Quiz

Topics: Optimization, Operations research, Mathematics Pages: 2 (483 words) Published: January 19, 2011
Subject: Operations Research Quiz: Model Question Paper Note: Tick ( √ ) the right answers & Fill-up the blanks wherever blanks are given

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1. For analyzing a problem, decision-makers should normally study (a) its qualitative aspects (b) its quantitative aspects (c) both (a) and (b) (d) neither (a) nor (b) 2. A model is (a) an essence of reality (b) an approximation (c) an idealization (d) all of the above 3. A physical model is example of (a) an iconic model (b) an analogue model (c) a verbal model (d) a mathematical model 4. The quantitative approach to decision analysis is a (a) logical approach (b) rational approach (c) scientific approach (d) all of the above 5. OR approach is typically based on the use of (a) Physical model (b) Mathematical model (c) Iconic model (d) Descriptive model 6. The mathematical model of an LP problem is important because (a) it helps in converting the verbal description and numerical data into mathematical expression (b) decision-makers prefer to work with formal models (c) it captures the relevant relationship among decision factors (d) it enables the use of algebraic technique


7. Constraints in an LP model represents (a) limitations (b) requirements (c) balancing limitations and requirements (d) all of the above 8. Non-negativity condition in an LP model implies (a) a positive coefficient of variables in objective function (b) a positive coefficient of variables in any constraint (c) non-negative value of resources (d) none of the above 9. A feasible solution to an LP problem (a) must satisfy all of the problem's constraints simultaneously (b) need not satisfy all of the constraints, only some of them (c) must be a comer point of the feasible region (d) must optimize the value of the objective function 10. If an iso-profit line yielding the optimal solution coincides with a constraint line, then (a) the solution is unbounded (b) the solution is infeasible (c) the constraint which...
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