New PMP Question & Answers with explanation

The Direct and Manage Project Work process has three tools and techniques. Two of them are Expert Judgment and Meetings. What is the third one?
Select one
The business case to justify a project typically contains:
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The project manager of a large construction project is responsible for ensuring that all changes to the building plans are approved and tracked before they are implemented. These activities form part of which process?
Select one
A project to design and build a new aircraft is cancelled after the project has been underway for some time. What process is employed to document what work was done and to what extent it was completed?
Select one
Which of the following is not an input to the Develop Project Charter process?
Select one