Every number on a dashboard is displayed in the same bright colour. What will be the main difficulty for the user?

Correct answer: Distinguishing critical from ordinary information will be difficult

The governing concept is visual emphasis and information hierarchy. Colour should help users notice priority, alerts, or important changes, but using the same bright colour for every number gives every item equal visual weight. The user must then search manually to identify what needs attention, so option A is correct. Uniform emphasis does not make data incorrect, turn off the screen, or remove labels.