Skip ➡️9:02 for the answer briefly stated! Tech companies are famous for asking interview riddles. In this video I explain how you can work out this question from first principles, and by simple experimentation you can discover the solution.
0:00 puzzle
1:04 first try
3:37 second try and solution
9:02 answer summary
10:00 creative answers
https://www.glassdoor.com/Interview/You-have-a-100-coins-laying-flat-on-a-table-each-with-a-head-side-and-a-tail-side-10-of-them-are-heads-up-90-are-tails-QTN_290837.htm
https://www.entrepreneur.com/science-technology/10-of-the-toughest-apple-interview-questions-in-tech-and/277702
RedBeanieMaths
https://www.youtube.com/watch?v=Blr_a1yPtZk
"Mercyry Dime" (https://skfb.ly/o7UOM) by Eugene Korolev is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
https://www.reddit.com/r/riddles/comments/1vtj0j/may_have_been_posted_before_100_coins_in_a_dark/
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