Question

a train takes 4 hours to cover a distance of 1 65 km on the return trip It takes 4 hours 20 minutes to cover the same distance the average speed of the train is

Answer 1

Distance travelled = 65 * 2 = 130km
time taken = 8 hr 20 min = 480+20 = 500 min

avg speed = 130/500 = 0.26 km/min