Question

if a scooterist drive at the rate of 24 km per hour from his home he reaches his work place a five minutes late but if you drive at the rate of 30 km per hour he reaches is a workplace 4 minute only find the distance of his work place for from his home

Answer 1

let dist be x km

time n firdt case = x/24

time in second case = x/30

difference between time = 9/60 hr

so x/24 - x/30 = 9/60

on solving you get distance = 18 km