A car runs at the speed of 50 kms per hour when not serviced and runs at 60 kms hr when serviced Aft...........

Quantitative Aptitude ( CCS) Time & distance

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

8.2 hours

6.5 hours

8 hours

7.2 hours

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Explanation:

After servicing speed of car = 60 Km/hr
Distance covered in 6h = (60 X 6)km = 360 km.
When not serviced, then time taken to cover 360km = 360/50 = 7.2hrs

Hence, optin 4 is the correct answer.