Free PMP Exam Sample Question

The following PMP® exam sample question is taken from - The answer is at the very bottom:

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PMBOK Section: Plan Communications                               

Process Group:     Planning Process Group                                        

Question Type:     Calculation                                   

Knowledge Area: Communications Management                                         

Difficulty Level:   Easy                                                                                                                                                                                                                                                         

Question:  You are managing a construction project. There are seven civil works supervisors, one civil engineer and one project coordinator reporting to you. How many communications channels you have in your project?                                                                                                                                                                                                

            A.        10                                                                                                       

            B.        36                                                                                                       

            C.        45                                                                                                       

            D.        55                                                                                                       


Hint:    You are also a project team member.                                                             

Reference: PMBOK4 - pg:253


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Until next time,
Cornelius Fichtner, PMP
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Explanation:   Since you are managing the project you are one of the project team members. That makes the total project team count to 10. Using the communication lines formula n(n-1)/2, you can find out that there are 45 different communication lines. Correct Answer is  C.