two trains A and B moving from different station x and y towards each other at same time. After crossing to each other, train A after 81 mint and train B after 100 mint reach the station y and x respectively. Find the speed of faster train? If the speed of train A is 60km/hr.
There is something I don't understand about algebra: It has been around for thousands of years, yet no one has ever found out what the value of "x" or "y" really is.