MindYourDecisions Courses

Brain Busting Apple Interview Puzzle - Paths On Grid

Uncover the surprising mathematical pattern behind Apple's brain-busting interview puzzle about counting paths on a grid using both computational and elegant shortcut methods.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

UK Government Recruiting Puzzle - Solve to Get the Job

Unlock the secrets of a challenging UK government recruitment puzzle offering salaries up to £200,000 through creative problem-solving techniques.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

US College Students Baffled By Simple Question - Can You Solve It?

Discover a deceptively simple brain-teaser that stumps college students and test your logic, reasoning, and algebra skills with this Harvard entrance exam style problem.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Son's Math Test Sparks Outrage - Why Did the Teacher Mark This Wrong?

Explore the controversial math problem that divided parents and teachers, examining why 5×3 vs 3×5 sparked heated debates about mathematical interpretation and teaching methods.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

Mental Math Trick - Multiply Numbers Close to 100 in Your Head

Master a lightning-fast mental math technique for multiplying numbers near 100, complete with mathematical proof and bonus applications for instant calculations.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

6 Impossible Puzzles With Satisfying Solutions

Dive into 6 challenging mathematical puzzles covering geometry, strategy, number systems, and combinatorics with step-by-step solutions and satisfying explanations.

• YouTube
• 28 minutes
• Self-Paced
• Free Video

Controversial Math Problem - The Real Answer Explained

Uncover the story behind a viral Vietnamese math puzzle that stumped adults worldwide, explore multiple solution methods, and learn coding techniques to find all possible answers.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

Investment Bank Interview Question - 100 Noodles Probability Problem

Tackle a viral probability puzzle about connecting 100 noodles and calculating expected loops using two mathematical methods in this investment banking interview challenge.

• YouTube
• 16 minutes
• Self-Paced
• Free Video

6 Challenging Problems From The 1 Percent Club

Master 6 challenging puzzles from The 1 Percent Club that test lateral thinking, pattern recognition, and mathematical reasoning skills in just 19 minutes.

• YouTube
• 19 minutes
• Self-Paced
• Free Video

Solving 3^x = x^9 - Finding All Real Solutions Using Lambert W Function

Discover how to solve 3^x = x^9 using the Lambert W function to find all real solutions to this challenging exponential-polynomial equation beyond typical school methods.

• YouTube
• 19 minutes
• Self-Paced
• Free Video

Ramanujan's Radical Brain Teaser

Explore the legendary mathematical brain teaser that stumped mathematicians for over a year until Ramanujan himself revealed the solution to his challenging nested radical problem.

• YouTube
• 18 minutes
• Self-Paced
• Free Video

6 Mind-Bending Logic Puzzles

Dive into six challenging logic puzzles covering sailboat paths, liar detection, matchstick equations, geometric shading, and coin problems to test your problem-solving skills.

• YouTube
• 25 minutes
• Self-Paced
• Free Video

6 Puzzles to Test Your Calculation Skills

Master lateral thinking and problem-solving through 6 challenging mathematical puzzles that test creativity, logic, and outside-the-box reasoning skills in this engaging collection.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

Vladimir Arnold's Mathematical Puzzle - Russian vs American Problem-Solving Approaches

Discover Vladimir Arnold's mischievous puzzle that highlights cultural differences in mathematical problem-solving approaches between Russian and American students.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

6 Impossible Puzzles With Surprising Solutions

Discover six challenging mathematical puzzles that seem impossible at first glance but have elegant, surprising solutions that will test your problem-solving skills and logical thinking.

• YouTube
• 29 minutes
• Self-Paced
• Free Video