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.
Pure mathematics is the world's best game. It is more absorbing than chess, more of a gamble than poker, and lasts longer than Monopoly. It's free. It can be played anywhere - Archimedes did it in a bathtub.
Richard J. Trudeau, Dots and Lines
The highest form of pure thought is in mathematics