Final answer:
The informational roles according to Henry Mintzberg are solely the Informational roles, which involve the handling of information within an organization.
Step-by-step explanation:
According to Henry Mintzberg, the roles that represent informational roles are solely option 3) Informational roles. Informational roles involve the processing, sharing, and analyzing of information, which is crucial for making decisions and supporting other roles within an organization. The other options, 1) Interpersonal roles and 2) Decisional roles, serve different functions. Interpersonal roles are concerned with interactions, relationships, and the provision of inspiration, while Decisional roles focus on making choices and resource allocation.