Multiple choice general knowledge What time one must go to a dentist ? 5:30 4:30 3:30 2:30 Reveal answer Fill a bubble to check yourself D Correct answer Explanation This is a wordplay riddle. 'Tooth-thirty' (2:30) sounds like you're saying 'tooth hurt', which is when you should see a dentist. It's a pun where the time '2:30' is pronounced similarly to describing a dental problem.