A car starts running with the initial speed of 40 km/h, with its speed increasing every hour by 5
km/h. How many hours will it take to cover a distance of 385 km?
9 h
9-1/2 h
8-1/2 h
7 h
Next Question
A train 100 metre long meets a man going in opposite direction at 5 km/h and passes him in 7-1/5seconds. The speed of the train is