Question

a person Travels 600 km partly by train and partly by car if he covers 400 km by train and the rest by car it takes 6 hour 30 minute but if he travel 200 km by train and the rest by car he takes half an hour longer find the speed of the car and that of train

Answer 1

speed of train= 400+200 in 6.30hr
if 200+400= 7 hrs
so, train speed= 100 km/ hr.(let suppose it)


speed of car= 200 km in 2.30hrs
and 400 km in 5 hrs
so 400÷5 = 80 km/hr( speed of car