Question

A car takes 20 min to cover a distance of 24 km.Find its speed in m/s

Answer 1

$speed = \frac{distance}{time} \\ = \frac{24000}{20 \times 60} \\ = 20m \: per \: sec$
24 km is 24000 metre
20 minutes is 20×60 seconds
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Answer 2

given
Distance = 24km = 24000 m
time = 20min = 20×60

speed = Distance/time

speed = 24000/20×60 m/s
=> 20 m/s