Q. I have two watches with a 12 hour cycle. One of them gains one minute a day and the other loses 1 1/2 minute per day. If I set them both at the correct time, how long will it be before they again tell the correct time together?

• A. 720 days
• B. 288 days
• C. 480 days
• D. 1440 days

Correct Answer: D