New PMP Question & Answers with explanation

After receiving some news about a delay on one of your project tasks, you review the schedule to determine how it will affect the project. While there is a substantial delay on this task, it is not a critical path item and will not affect delivery of any of your milestones. Another project manager advises you to just present the milestone chart during your meeting with the project stakeholders and tell them the project is progressing as planned. What do you do?
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As a project manager, you are analyzing a process and looking for opportunities for improvements by identifying and analyzing non-valueadded activities. This relates to which of the following tools and techniques of the Manage Quality process?
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You are assisting Benjamin, another project manager, to interview candidates for a resource position on his project. While reviewing your interview notes together, you notice that he sorts the candidate‘s resumes into two piles: One pile for further interviews, the other for candidates that did not meet the requirements for the position. You also notice that he has placed several of the highly qualified candidates in the second pile, stating that those interviewees "did not fit the corporate profile." Upon further review, you discover that all these candidates are of the same ethnic group. What do you do?
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Which of these is an input to the Collect Requirements process?
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Andrew was working as a senior project manager at a company when he resigned from his position. This company recently hired Jack to replace Andrew. Jack had worked with Andrew in the past, and he knows him personally. Jack is now in charge of a project that Andrew left in the middle. If Jack calls Andrew for an opinion on this project, this constitutes:
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