How to solve Google's clock hands interview riddle

This is a simple interview riddle that has been asked at tech companies like Amazon, Microsoft, and Google and even at investment banks like Goldman Sachs. How many times do the hands of a clock overlap in a day? What are the times? (round to the nearest second) 0:00 problem 3:03 answer 6:02 solution 1 7:46 solution 2 10:10 solution 3 12:45 solution 4 References https://www.youtube.com/post/UgkxX3wvJMLsAbfWcOVTizSUsjCYBwMOgEFY https://www.livecareer.com/resources/interviews/questions/how-many-times-do-a-clocks-hands-overlap-in-a-day https://www.dailymail.co.uk/news/article-11886677/The-interview-question-makes-job-candidates-squirm.html http://datagenetics.com/blog/november12016/index.html#google_vignette https://learn.rumie.org/jR/bytes/how-to-answer-how-many-times-do-a-clock-s-hands-overlap-in-a-day/ https://puzzles.nigelcoldwell.co.uk/thirtyfive.htm https://www.glassdoor.com/Interview/how-many-times-the-hour-and-minute-hands-of-the-clock-form-right-angle-during-one-day-QTN_54375.htm Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay. If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay. Book ratings are from January 2023. My Books (worldwide links) https://mindyourdecisions.com/blog/my-books/#worldwide My Books (US links) Mind Your Decisions: Five Book Compilation https://amzn.to/2pbJ4wR A collection of 5 books: "The Joy of Game Theory" rated 4.3/5 stars on 290 reviews http://amzn.to/1uQvA20 "The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias" rated 4.1/5 stars on 33 reviews http://amzn.to/1o3FaAg "40 Paradoxes in Logic, Probability, and Game Theory" rated 4.2/5 stars on 54 reviews http://amzn.to/1LOCI4U "The Best Mental Math Tricks" rated 4.3/5 stars on 116 reviews http://amzn.to/18maAdo "Multiply Numbers By Drawing Lines" rated 4.4/5 stars on 37 reviews http://amzn.to/XRm7M4 Mind Your Puzzles: Collection Of Volumes 1 To 3 https://amzn.to/2mMdrJr A collection of 3 books: "Math Puzzles Volume 1" rated 4.4/5 stars on 112 reviews http://amzn.to/1GhUUSH "Math Puzzles Volume 2" rated 4.2/5 stars on 33 reviews http://amzn.to/1NKbyCs "Math Puzzles Volume 3" rated 4.2/5 stars on 29 reviews http://amzn.to/1NKbGlp 2017 Shorty Awards Nominee. Mind Your Decisions was nominated in the STEM category (Science, Technology, Engineering, and Math) along with eventual winner Bill Nye; finalists Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy; and other nominees Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter. My Blog https://mindyourdecisions.com/blog/ Twitter https://twitter.com/preshtalwalkar Instagram https://www.instagram.com/preshtalwalkar/ Merch https://teespring.com/stores/mind-your-decisions Patreon https://www.patreon.com/mindyourdecisions Press https://mindyourdecisions.com/blog/press