do (1) 1 [7] Multiple choice (choose the correct answer) a) Operations research practitioners not o predict future operations ii) build more than one model iii) collect relevant data iv) recommend decision and accept b) An optimization model (1) o provides the best decision i) provides decision within its limited context i) helps in evaluating various alternatives iv) all of the above c) Which of the following is not the characteristic of linear programming? (1) i) resources must be limited ii) only one objective function iii) parameters value remains constant during the planning period iv) the problem must be of minimization type