The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Numbers — quick quiz

5 AP TET-pattern questions on Numbers. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Hard

Three bells ring at intervals of 12 minutes, 15 minutes and 18 minutes respectively. If they all ring together at 8:00 AM, at what time will they next ring together?