Hi Aashi,
Please check Ex 4.3, 10 of Chapter 4 Class 10 Quadratic Equations here https://www.teachoo.com/1563/508/Ex-4.3--10---An-express-train-takes-1-hour-less-than-a/category/Ex-4.3/
Teachoo Black gives you a clean, uninterrupted study experience on every page.
Go ad-free →No banners. No interruptions. Just the lesson.
Go ad-free →