Question

Mohan travels 760 km to his home, partly by train and partly by car. He takes 8 hours if he travels 160 km by train and the rest by car. He takes 12 minutes more if he travels 240 km by train and the rest by car. The speed of the train and the car, respectively are:

 (a) 80 km/h, 100 km/h (b) 100 km/h, 80 km/h (c) 120 km/h, 120 km/h (d) 100 km/h, 120 km/h (e) None of these

Answer 1

(a) Let speed of the train be x km/h and that of the car be y km/h.

Solving (i) and (ii), we have x = 80 km/h and y = 100 km/h.