Correct answer: C. Series of bumps or hollows ahead.
This sign gives advance warning of a series of bumps or hollows ahead. Be prepared to reduce your speed as necessary.
This is an official-style question from the Legal Matters & Rules of the Road topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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