Question

Find the time taken to cover a distance of 360 km by a train moving at 20 meters per second

Answer 1

$speed = \frac{distance}{time} \\ time \: = \frac{distance}{speed} \\ \: \: \: \: \: \: \: \: \: \: = \: \frac{360000}{20} \\ = 18000sec$

Answer 2

18000 second how many points you give 20 metre per second than 1km per 50 sec than 50×360 = 18000