Question

A train cover 80km in 2hour find its average speed in kilometer per hour and meter per minute and metre per second

Answer 1

in km/hr=80/2
=40km/hr
in m/min=80000/120
=666.7m/min
in m/sec=80000/7200
=11.11m/min

Answer 2

speed=Distance/ time
so, speed=80/2
speed=40km/hr.

and change 2 hours in second 2*60*60 and 80 kilometer 80*1000
then speed=80*1000/2*60*60
,speed=100/9 meter/second