Question

a bus covers a certain distance with uniform speed if the speed of bus would have been increased by 15 km per hour it would have taken 2 hours less to cover the same distance and speed of the bus would have been decreased by 5 kilometre per hour it would have been taken one hour more to cover the same distance find the distance covered by bus

Answer 1

let original distance be x

original speed = v

x/v = x/ (v+15) +2

x/v - x / (v+ 15) = 2

x/v +1 = x/ (v-5)

distance = 360km