New PMP Question & Answers with explanation

You were just hired by a waste management company to develop a solid waste management program in an underdeveloped country. The project will be on a build-operate-transfer basis and will have a two-year duration. At the close of the project, local authorities will run the program. The World Bank sponsors the project, and a large consortium has received the award. Your company is subcontracted to do this project along with two more contractor companies. After the project scope was finalized, you developed a cost estimate of US$5.5 million. The sponsor reviews your detailed costing sheets and is concerned about the total cost figure. He tells you that the maximum allowable budget he can allocate for this project is US$5 million. What should you do?
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Which of the following approaches deliberately spends less time trying to define and lock project scope early during the project and spends more time establishing the process for requirements gathering, scope definition and refinement?
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In projects with adaptive life cycles, the overall scope of the project will be decomposed into a set of requirements and work to be performed, sometime referred to as:
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What is the MAIN reason for controlling the project scope?
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The sponsor of your facilities upgrade project has left the company to join another organization. Several weeks later, you are reviewing the business case for the project, and you find that there are several inconsistencies between what is stated in the business case and what is described in the project scope. Further research shows that the business case as a whole is based on inaccurate information. What do you do?
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