Question

a bus takes 30 min to cover a distance of 15 km .calculate its speed

Answer 1

speed=distance/time
=15km/30min
=1km/2min
=1000m/2*60s
=500/60 m/s
=83.333m/s


or 60/2kmph
=30kmph

Answer 2

time taken=30 min
in hours=30/60
=1/2
distance covered=15 km
speed =distance /time
=15/1/2
=30 km/hr
.
.
.
.
thank you