Time and Distance tricks | Vipin sir Math Masti style me | समय और दूरी शार्ट ट्रिक्स

Time and Distance tricks | Vipin sir Math Masti style me | समय और दूरी शार्ट ट्रिक्स ********************** I am a new math teacher and start youtube for mathematics and current affairs. And this video is Time and distance. I challenge that anyone can not teach me. I explain Time and distance tricks . Easy ways to solve mathematics.