Questions

By trial and error method,

P=0, Q=9, R=0 satisfies the values.

Can’t delete a row from primary table if there are related rows in secondary table.

Special Friend - Stone.

Example ::

He is my special friend - He is my stone.

A Project Management office (PMO) is an organizational unit to centralize and coordinate the management of projects under its domain. A PMO can also be reffered to as a "program management office", "Project office", or "Program office". A PMO oversees the management of projects, programs, or a combination of both.

PMOs can operate on a continuum, from providing project management support functions in the form of training, software, standardized policies, and procedures, to actual direct management and responsibility for achieving the project objectives.

In music, a fugue is a contrapuntal compositional technique in two or more voices, built on a subject that is introduced at the beginning in imitation and which recurs frequently in the course of the composition. 

Hence, the main theme of a fugue is called the subject.

Answers A, B and D all result from effectively integrating the work of the project management process groups. PMBOK [4.0]