How To Calculate Percentages Faster Than a Calculator | Mental Maths#2 скачать в хорошем качестве

How To Calculate Percentages Faster Than a Calculator | Mental Maths#2

Stop reaching for your calculator! In this video, I’m revealing the mental math secrets that top students and professionals use to calculate percentages (20%, 25%, 40%, and 45%) in under 3 seconds. Whether you are prepping for competitive exams like UPSC, SAT, JEE, or CAT, or you just want to calculate a restaurant tip without looking like a fool, these "Cheat Codes" will change your life. In Part 1, we move from the basics to "Expert Mode," breaking down complex numbers into simple steps anyone can follow. 📈 What you will learn today: The Decimal Jump: The secret to finding 10% and 20% instantly. The Quarter Rule: How to solve 25% by dividing, not multiplying. The Double-Tap: Scaling your math to hit 40% in two steps. Expert Mode (45%): The "Half-and-Subtract" hack that makes you look like a genius. ⏱️ TIMESTAMPS (Jump to your Level): 0:00 — The 3-Second Hook: Why You Don’t Need a Calculator 0:45 — Level 1: The 20% Restaurant Tip Rule 1:45 — Scaling 20% with "Ugly" Numbers (145, etc.) 2:30 — Level 2: The 25% "Quarter Rule" (Half of a Half) 3:30 — The Decimal Trap: Solving 25% of Odd Numbers 4:45 — Level 3: 40% The "Double-Tap" Method 5:30 — Exam Hack: Calculating Scores Fast (40% of 850) 6:00 — EXPERT MODE: The 45% "Half-and-Subtract" Trick 7:15 — BOSS LEVEL CHALLENGE (Answer in the comments!) 7:45 — What’s coming in Part 2? (Subscribe!) 💬 JOIN THE CHALLENGE: Think you’ve mastered the 45% trick? Solve the challenge at 7:15 and drop your answer in the comments. I’ll be hearting the first 50 correct answers! Don't forget to SUBSCRIBE for Part 2! We’ll be covering the "Flipping Rule" (e.g., how to solve 16% of 50 instantly) and other advanced mental shortcuts. #MentalMath #MathTrick #UPSC #SATPrep #percentage #SpeedMath #viral #Education