Question

A car travels from P to Q at a constant speed. If its speed were increased by 10 km/h,
it would have taken one hour lesser to cover the distance
. It would have taken further
45 minutes lesser if the speed was further increased by 10 km/h: What is the
distance between the two cities?
(b) 540 km
(a) 420 km
(c) 600 km
(d) 650 km​

Answer 1

Answer:

would have taken one hour lesser to cover the distance

. It would have taken further

45 minutes lesser if the speed