MindYourDecisions Courses

Solving a Viral Math Problem from Turkey's University Entrance Exam

Dive into a challenging viral mathematics problem from Turkey's university entrance exam, exploring geometric concepts through step-by-step solutions and detailed explanations.

• YouTube
• 13 minutes
• On-Demand
• Free Video

5 Fascinating Mathematical Properties of the Number 2025

Discover fascinating mathematical properties of the number 2025 through engaging explorations of its square, cube sum, product patterns, and unique digit relationships.

• YouTube
• 11 minutes
• On-Demand
• Free Video

5 Age-Related Math Riddles and Solutions

Engage with five challenging age-related riddles that test logical reasoning and mathematical problem-solving skills through progressively complex scenarios and clever wordplay.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Tennis Match Probability Problem - Best of 3 Sets Analysis

Dive into a fascinating probability puzzle about tennis match outcomes and learn how to solve this common hedge fund interview challenge using mathematical reasoning.

• YouTube
• 14 minutes
• On-Demand
• Free Video

For Which Values of n Can You Find an Integer Solution?

Explore a mathematical problem from the 2024 Putnam Competition examining which values of n allow integer solutions, with step-by-step analysis of this intriguing number theory question.

• YouTube
• 11 minutes
• On-Demand
• Free Video

Can You Pass Harvard's Remedial Math Class?

Discover if you can solve Harvard's introductory math exam questions that sparked political debate about academic standards.

• YouTube
• 31 minutes
• On-Demand
• 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
• On-Demand
• Free Video

Apple's Mislabeled Boxes Interview Puzzle - A Logic Problem Solution

Master the logic behind Apple's tricky interview puzzle about mislabeled boxes and learn the optimal solution strategy using minimal sampling to correctly identify and fix the labels.

• YouTube
• 14 minutes
• On-Demand
• Free Video

The Original 1926 SAT Exam - A Historical Analysis of Test Questions and Difficulty

Explore the challenging questions from the original 1926 SAT exam, comparing its rigorous content to modern standards through detailed analysis of various sections including arithmetic, logic, and language.

• YouTube
• 27 minutes
• On-Demand
• Free Video

Three Challenging Math Problems from China

Engage with three challenging mathematical puzzles from China, testing your problem-solving skills through step-by-step solutions and detailed explanations.

• YouTube
• 13 minutes
• On-Demand
• Free Video

Seven Creative Mathematical Puzzles with Step-by-Step Solutions

Engage with seven mind-bending puzzles, from geometric drawing challenges to mathematical paradoxes, each offering unique solutions that will test and expand your problem-solving abilities.

• YouTube
• 13 minutes
• On-Demand
• Free Video

Finding the Smallest Number with 426 Proper Factors - Cambridge Entrance Exam Problem

Dive into a challenging mathematical problem from Cambridge's STEP exam, exploring number theory concepts to find the smallest number with exactly 426 proper factors.

• YouTube
• 11 minutes
• On-Demand
• Free Video

Puzzles That Only a Genius Can Solve

Unlock your problem-solving skills with 7 challenging mathematical puzzles designed to test logical thinking and analytical reasoning abilities.

• YouTube
• 24 minutes
• On-Demand
• 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
• On-Demand
• Free Video

Calculate Any Square Root by Hand - Actual Harvard Entrance Exam

Master the ancient square root algorithm used in Harvard and MIT entrance exams to calculate any square root by hand, digit by digit, without a calculator.

• YouTube
• 32 minutes
• On-Demand
• Free Video