A car runs at the speed of 50 km per hour 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?	Choices
A) 8 hours 12 minutes  B) 6 hours 15 minutes  C) 8 hours 15 minutes  D) 7 hours 12 minutes  E) None
Explanation :   Time = 60*6 / 50 = 7 hours 12 mins   Answer – 7 hours 12 minutes
<result>D</result>
A car runs at the speed of 50 km per hour 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?