Answer: A) Factor-rating method
Explanation: Factor rating method is the techniques in which quantitative as well as qualitative measures are included and then testing is done to produce result alternatives by comparing and contrasting between each alternative with composite value .This method does not help in project management and thus not used by managers.
Other methods are used in the management and controlling of projects because PERT (Program Evaluation and Review Technique) acts as project management technique for planning and organizing project.
Gnatt charts helps in describing the schedule of projects. CPM(critical path method) is the project management technique for organizing the project step by step in respect with the tasks. Thus the only tool not used in project is option (A).
