Critical Path Method (CPM) is a project schedule modeling technique. Mr. Morgan R. Walker and James E. Kelly developed this technique in the late 1950s.
Project planners use this method to develop schedules for many kinds of projects including IT, research, and construction.
Critical Path Method is a lengthy and complex concept. Please follow each step in this blog post and don’t move on until you understand the previous steps. If you follow this advice and complete the blog post, you won’t have any problems solving the questions on Critical Path Method.