Q1: Multiple Choice Questions (choose only one answer) 1- Operations Research approach is A. multi-disciplinary B. scientific C. intuitive D. collect essential data 2- A feasible solution to a linear programming problem A. must satisfy all the constraints of the problem simultaneously B. need not satisfy all of the constraints, only some of them C. must be a corner point of the feasible region. D. must optimize the value of the objective function 3- For any primal problem and its dual A. optimal value of objective function is same B. dual will have an optimal solution if primal does too C. primal will have an optimal solution if dual does too D. both primal and dual cannot be infeasible 4- If the primal problem has n constraints and m variables then the number of constraints in the dual problem is A mn B. m +n C. m-n D. m 5- The solution to a transportation problem with m-sources and n-destinations is feasible if the numbers of allocations are A. m +n B.mn C. m-n D. m +n-1