For how many years is the Landtag of Bavaria elected?

EDITORIAL LEARNING AID

Why is this answer correct?

The Bavarian Landtag in the Maximilianeum in Munich is elected for five years. Three and six years are unusual for state parliaments, and four years apply to the Bundestag, not to the Landtag.

Maximilianeum, five years: the Bavarian Landtag.

This translation and explanation are editorial learning aids. The official German wording and answer key govern the examination.