Question

Distance between two station is 240 km and taking 4 hour what is the speed of the train

Answer 1

240/4=60km train speed in m/s =60×1000/3600=16.66 m/s

Answer 2

Speed=
$\frac{distance}{time} \\ = \frac{240}{4} \\ = 60 \frac{km}{hr}$
So speed of train is 60 km/hr