New PMP Question & Answers with explanation

The accuracy of Activity Duration estimates can be improved by considering the amount of risk in the original estimate. The three types of estimates on which three-point estimates are based are:
Select one
After one year of construction, an office building is scheduled for completion on 30 January. The landscaping work needs to start 15 days prior to the building’s completion. Which of the following relationships most likely represents the relationship of the start of landscaping work to the completion of the office building?
Select one
As a project manager, you are in the process of preparing the project schedule for the project. Which of the following accurately depicts the sequence of your activities before you began to prepare the project schedule?
Select one
While planning the schedule for your project, you frequently refer to the project calendar. The project calendar is:
Select one
In a project, Activity A has a duration of four days and begins on the morning of Monday the fourth. The successor Activity, B, has a Finishto-Start (FS) relationship with A. The Finish-to-Start relationship has two days of lag, and Activity B has a duration of three days. If Saturday and Sunday are non-working days, which of the following statements is true?
Select one