Home Brain Teasers Brain Teaser – January 28 Brain Teasers Brain Teaser – January 28 By Medical News Bulletin - January 28, 2019 Dr. Johnson looked at the clocks on the wall and realised that the number of hours that were left in the day was one-third of the number of hours already passed. How many hours were left in the day? See the answer Answer: 6 hours. Let X be the number of hours left in the day. Then, since there are 24 hours in a day, we have X + 3X = 24. Solving for X, we get X = 6. Facebook Comments RELATED ARTICLESMORE FROM AUTHOR Brain Teaser – February 25 Brain Teaser – February 22 Brain Teaser – February 18 Connect With Us * Indicates Required Your Name Email Address* Be the first to know about the latest medical and health research. Subscribe to our weekly newsletter.