A car travels from P to Q at a constant speed. If its speed were increased by 10km/h, it would have been taken one hour lesser to cover the distance. It would have taken further increased by 45 minutes if the speed was further increased by 10 km/h. The distance between two cities is
A car travels from P to Q at a constant speed. If its speed
were increased by 10 km/h, it would have been taken one hour lesser to cover the
distance. It would have taken further increased by 45 minutes if the speed was
further increased by 10 km/h. The distance between two cities is :
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