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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?

A

`8 (1)/(2) `h

B

`9(1)/(2) h`

C

`9h`

D

`7h`

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Verified by Experts

The correct Answer is:
D
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