New PMP Question & Answers with explanation

A new project manager joins an ongoing project following the resignation of the former project manager. What should the new project manager do to start guiding the team toward project success?
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A highway construction project is on schedule and within budget. The project manager has just learned that an unforeseen mineral reserve has been discovered on the site. This will require that the highway is diverted, which will displace neighborhoods. What project management tools or skills will the project manager need to handle this?
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A new project manager joins a project overseen by a senior project manager. The sponsor asks the new project manager to develop the quality management plan. What should the project manager do?
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A project is being executed when a few changes are brought to the attention of the team. The changes are needed but everyone has different opinions on what they think is right. What should the project manager do?
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After receiving the project charter, a project manager starts to prepare the project management plan. Since there is no historical information in the project management office (PMO), what should the project manager do next?
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