Operation research approach is typically based on the use of

• physical model.

• mathematical model.

• iconic model.

• descriptive model.

     A Linear Programming Problem have ______________ optimal solution

• 1

• 2

• more than 1

• more than 2

          The area bounded by all the given constraints is called ______________.

• feasible region

• basic solution

• non feasible region

• optimum basic feasible solution

                If in a LPP , the solution of a variable can be made infinity large without violating the constraints, the solution is ______________.

• feasible region

• Infeasible

• Unbounded

• Alternative

                       Graphical method is also known as ______________.

• Simplex Method

• Dual Simplex Method

• Search-Approach Method

• Big-M Method

                             Key element is also known as ______________.

• slack

• surplus

• artificial

• pivot

                                    Which of the following methods is used to verify the optimality of the current solution of the transportation problem______________.

• Modified Distribution method

• Row minima method

• Vogel's Approximation method

• Least cost method

                                          The solution to a transportation problem with m-sources and n-destinations is feasible if the numbers of allocations are ______________.

• m+n

• mn

• m-n

• m+n-1

                                                 When the total demand is equal to supply then the transportation problem is said to be ______________

• balanced

• unbalanced

• maximization

• minimization

                                                       The assignment algorithm was developed by ______________ method.

• VOGELS

• HUNGARIAN

• MODI

• TRAVELING SALES MAN