Question

an athlete covers 1500 m in 4 minutes calculate speed in metres per second kilometres per hour

Answer 1

the speed is
4min =240second
s=d/t
s=1500m/240s
6.24 nearly m/s
in km hr
6.24 multiply 18/5
22km /hr

Answer 2

distance covers=1500m
time taken=4min=4*60=240sec
speed=
$\frac{distance}{time}$