Which Statement About Adding Classes To Groups Is TRUE?

You must use a coded template to add classes to groups.
Classes added to groups of components will be added to all components inside the group.
Classes inside of global groups will apply to every instance of that global group in a site.
Classes cannot be added to groups.

The correct answer is:

Classes inside of global groups will apply to every instance of that global group in a site.

Sources: HubSpot CMS for Developers Course

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