Question:
A car runs at the speed of 50 kmph when not serviced and runs at 60 kmph, 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?
A8.2 hours
B6.5 hours
C8 hours
D7.2 hours
Answer:
D. 7.2 hours
Explanation:
Speed of car when not serviced = 50 km/hr Speed of car when serviced is 60 km/hr and the distance it covered in 6 hours is = 360 km Time taken by the car to cover 360 km When not serviced is=360/50 =7.2 hours