Question

A train travels at a speed of 60 km per hour for 0.52 hours at 30 km per hour for the next 0.24 hour and then at 70 km per hour for the next 0.71 hours what is the average speed of the train​

Answer 1

Hey mate

Your answer,

Distance covered by the train=60*0.52=31.2km+70*0.24=16.8km+70*0.71=97.7

TOTAL TIME=0.52+0.24+0.71

AVERAGE SPEED=97.7/1.47=66.4km/h