Can you find the puzzle solution with only one weighing?
8:24
System of equations from Kyrgyzstan Math Olympiad
16:05
Circle of 5ths: Easiest Way to Memorize and Understand It
8:36
Can you find a strategy to save these mathematicians lives in a coin flip game?
8:41
Find the fake among 8 coins with minimum number of weighings (Interview intelligence question)
17:40
5 Proven Learning Strategies from ‘Make It Stick’ - Learn Like a Boss! (Book Review and Summary)
6:13
Can YOU solve this brain teaser for 14 years old students?
12:20
Beautiful geometry challenge in Junior Balkan Math Olympiad
8:05