New PMP Question & Answers with explanation

The president of the company has asked you to lead a large new project that links to the company’s number-one strategic priority. Shortly after learning about this news, you receive a visit from a principal architect who notes that he will also be working on the project. The project has not formally kicked off yet. What has likely occurred?
Select one
An organization interested in shifting the organizational culture to adopt new practices, such as Agile, must create an environment that enables which of the following?
Select two
You are in the midst of performing cost management activities. You discover there are two competing alternatives to decide between: you can hire a contractor to build one of the project’s deliverables, or you can buy the deliverable from an overseas supplier. Both options require acquisition, operating, and disposal costs that you compare between the two alternatives to make a decision. What technique are you using?
Select one
The following statements are true except for which one?
Select one
Your selection committee is considering two projects. They can choose only one or the other. Project A’s expected cash inflows are $14,000. It has a payback period of 14 months, and IRR equals 4 percent. Project B expects cash inflows of $5,000 per quarter for the first 16 months, and its IRR is 2. Which project should the selection committee choose and why?
Select one