# Answer to Question #87437 in Operations Research for Anand

Question #87437

Which of the following statements true or false? Give a short proof or a counter example

in support of your answers.

i) The forward and backward recursive formulation in Dynamic programming techniques can result in different optimum solutions to the same problem.

ii) A non-critical activity cannot have zero total float.

iii) The addition of a consultant to all the elements of an assignment problem can affect

the optimal solution of the problem.

iv) If the primal LPP has an unbounded solution, the dual LPP cannot have a feasible

solution.

v) In queuing theory, if the arrivals are according to Poisson distribution with parameter

λ , the inter-arrival time is exponential with parameter e^λ

in support of your answers.

i) The forward and backward recursive formulation in Dynamic programming techniques can result in different optimum solutions to the same problem.

ii) A non-critical activity cannot have zero total float.

iii) The addition of a consultant to all the elements of an assignment problem can affect

the optimal solution of the problem.

iv) If the primal LPP has an unbounded solution, the dual LPP cannot have a feasible

solution.

v) In queuing theory, if the arrivals are according to Poisson distribution with parameter

λ , the inter-arrival time is exponential with parameter e^λ

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