Question

find the time taken to cover a distance of 120 kilometre at the speed of 10 metre per second

Answer 1

Given,
Distance=120 km
Speed= 10m/s

Convert 120 Km in metres = 120×1000
= 120000m
As we know,
time = distance/ speed

=> time= 120000÷10
=> time= 12000 seconds
= 12000÷3600
= 3.334 hours

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Answer 2

speed=10*18/5 km/h=36 Km/hr
time= 120/36=3 hr 20 minutes.