Section: Mathematical Reasoning

12) A bell rings every 2 hours, a second bell rings every 3 hours, and a third bell rings every 4 hours. If all 3 bells ring at 9:00 AM., at what time will all 3 bells next ring?

noon
6:00 p.m.
9:00 p.m.
10:00 p.m.
Not enough information is given.