Home Brain Teasers Brain Teaser – November 12 Brain Teasers Brain Teaser – November 12 By Medical News Bulletin In 2010, a person is 20 years old. In 2015, the same person is 15 years old. How is it possible? [su_spoiler title=”See the answer” style=”fancy”] Answer: The person was born in 2030 B. C. [/su_spoiler] 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.