A car runs at the speed of 50 km/h when not serviced and runs at 60 km/h, when serviced. After servicing, the car covers a certain distance in 6 h. How much time will the car take to cover the same distance when serviced?

8.2 h
6.5 h
8 h
7.2 h

Correct Answer: 7.2 h

Explanation:

After sevicing speed of car = 60 km/h
∴ Distance covered in 6 h = 60 x 6 km = 360 km.
When not serviced, then time taken to cover 360 km = 360/50 = 7.2 h

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