Welcome to the Think Fast channel! Today, we have one of the hardest logic riddles and brain teasers you'll ever encounter. This viral variable puzzle is considered an impossible puzzle only 1% can solve. You must use mental math and pure critical thinking to solve this puzzle in your head. We will show you the step-by-step solution to this algebra riddle and equation at the end. Can you pass the ultimate genius test? Think Fast ThinkFastMan Logic riddles and brain teasers Math puzzles with answers Hard math puzzle for geniuses Impossible puzzle only 1% can solve Variable puzzle solution Algebra riddles and equations Solve this puzzle in your head Mental math challenge Quick critical thinking test Mind-bending logic problems How to solve variable picture puzzles Best math riddles for a brain workout Math puzzle for geniuses Math puzzle for class 3 Math puzzle for class 4 Math puzzle for class 5 Math puzzle for class 6 Math puzzle for class 7 Math puzzle for class 8 Math puzzle for class 9 Math kaise sikhe Math class Math tricks kaise sikhe Math challenge Math tricks shorts Maths trigonometry Maths trigonometry class Maths trigonometry formula Maths puzzle kannada Maths puzzle magic Math tricks short Classes Maths for kids Maths paheli video Maths practice set rojgar with ankit Math by aditya ranjan Math masti Math practice set Math puzzle game Math puzzle game project Math puzzle questions with answers Math puzzle for kids Brother and sister math puzzle chinese drama Math puzzle with answers Math tricks by aditya ranjan sir Math tricks in hindi Math tricks short video Math tricks for competitive exams Math tricks app puzzle reasoning puzzle box puzzle game puzzle solve puzzle by ankush lamda puzzle life song puzzle solve trick puzzle by puneet sir puzzle tricks reasoning test puzzle by piyush varshney puzzle questions in reasoning puzzle questions for inviting with answers puzzle questions for banking exam puzzle questions and answers puzzle questions for kids puzzle questions in interview puzzle questions in telugu puzzle questions in tamil puzzle questions asked in interview puzzle questions for infosys logical reasoning logical reasoning questions and answers 1996 pj yt Biryani mukbang Cappucino Chotte bacho ke super bike "If you enjoyed this 'Think Fast' math challenge, don't forget to SUBSCRIBE! This logic riddle is a great brain teaser designed to test your mental math and critical thinking skills. Watch other math puzzles, variable puzzle, algebra riddles, and impossible puzzle videos on the channel. Can you pass the genius test and solve without a pen? Let us know your fastest time in the comments!"